List of Species Treated in Reference And Used in SeaLifeBase
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Species Name Used
Abra aequalis (Say, 1822) Abra aequalis (p. 45 )
Abra lioica (Dall, 1881) Abra lioica (p. 45 )
Abra longicallus Sacchi, 1836 Abra longicallis (p. 45 )
Abralia grimpei Voss, 1958 Abralia grimpei (p. 161 )
Abralia redfieldi Voss, 1955 Abralia redfieldi (p. 161 )
Abralia veranyi (Rüppell, 1844) Abralia veranyi (p. 161 )
Abraliopsis atlantica Nesis, 1982 Abraliopsis atlantica (p. 161 )
Abraliopsis falco Young, 1972 Abraliopsis falco (p. 161 )
Abraliopsis felis McGowan & Okutani, 1968 Abraliopsis felis (p. 161 )
Abraliopsis hoylei (Pfeffer, 1884) Abraliopsis hoylei (p. 161 )
Abraliopsis pfefferi Joubin, 1896 Abraliopsis pfefferi (p. 161 )
Acanthina lugubris (Sowerby I, 1821) Acanthina lugubris (p. )
Acanthina paucilirata (Stearns, 1871) Acanthina paucilirata (p. )
Acanthina punctulata (Sowerby I, 1825) Acanthina punctulata (p. )
Acanthina spirata (de Blainville, 1832) Acanthina spirata (p. )
Acanthochitona balesae Abbott, 1954 Acanthochitona balesae (p. )
Acanthochitona hemphilli (Pilsbry, 1893) Acanthochitona hemphilli (p. )
Acanthochitona pygmaea (Pilsbry, 1893) Acanthochitona pygmaea (p. )
Acanthodoris armata O'Donoghue, 1927 Acanthodoris armata (p. 125 )
Acanthodoris atrogriseata O'Donoghue, 1927 Acanthodoris atrogriseata (p. 125 )
Acanthodoris brunnea MacFarland, 1905 Acanthodoris brunnea (p. 125 )
Acanthodoris caerulescens Bergh, 1880 Acanthodoris caerulescens (p. 125 )
Acanthodoris hudsoni MacFarland, 1905 Acanthodoris hudsoni (p. 125 )
Acanthodoris lutea MacFarland, 1925 Acanthodoris lutea (p. 125 )
Acanthodoris nanaimoensis O'Donoghue, 1921 Acanthodoris nanaimoensis (p. 125 )
Acanthodoris pilosa (Abildgaard, 1789) Acanthodoris pilosa (p. 125, 280 )
Acanthodoris rhodoceras Cockerell, 1905 Acanthodoris rhodoceras (p. 125, 280 )
Acanthopleura granulata (Gmelin, 1791) Acanthopleura granulata (p. )
Acanthotrophon striatoides Vokes, 1980 Acanthotrophon striatoides (p. )
Acar bailyi Bartsch, 1931 Acar bailyi (p. 27 )
Acar domingensis (Lamarck, 1819) Barbatia domingensis (p. 28 )
Acella haldemani (Binney, 1867) Acella haldemani (p. 133 )
Acila castrensis (Hinds, 1843) Acila castrensis (p. 25 )
Acirsa borealis (Lyell, 1841) Acirsa borealis (p. )
Aclis carolinensis Bartsch, 1911 Aclis carolinensis (p. )
Aclis hendersoni Dall, 1927 Aclis hendersoni (p. )
Aclis occidentalis (Hemphill, 1894) Aclis occidentalis (p. )
Aclis tenuis Verrill, 1882 Aclis tenuis (p. )
Aclis turrita (Carpenter, 1864) Aclis turrita (p. )
Aclistothyra atlantica McGinty, 1955 Aclistothyra atlantica (p. 40 )
Acmaea mitra Eschscholtz, 1833 Acmaea mitra (p. )
Acroloxus coloradensis (Henderson, 1930) Acroloxus coloradensis (p. 133 )
Acteocina atrata Mikkelsen & Mikkelsen, 1984 Acteocina atrata (p. 117 )
Acteocina bidentata (d'Orbigny, 1841) Acteocina bidentata (p. 117 )
Acteocina bullata (Kiener, 1834) Acteocina bullata (p. 117 )
Acteocina canaliculata (Say, 1826) Acteocina canaliculata (p. 117 )
Acteocina candei (d'Orbigny, 1841) Acteocina candei (p. 117 )
Acteocina carinata (Carpenter, 1856) Acteocina carinata (p. 117 )
Acteocina cerealis (Gould, 1853) Acteocina cerealis (p. 117 )
Acteocina culcitella (Gould, 1853) Acteocina culcitella (p. 118 )
Acteocina eximia (Baird, 1863) Acteocina eximia (p. 118 )
Acteocina harpa (Dall, 1871) Acteocina harpa (p. 118 )
Acteocina inculta (Gould, 1855) Acteocina inculta (p. 118 )
Acteocina lepta Woodring, 1928 Acteocina lepta (p. 118 )
Acteocina magdalensis (Dall, 1919) Acteocina magdalensis (p. 118 )
Acteocina oldroydi Dall, 1925 Acteocina oldroydi (p. 118 )
Acteocina recta (d'Orbigny, 1841) Acteocina recta (p. 118 )
Acteocina smirna Dall, 1919 Acteocina smirna (p. 118 )
Actinonaias ligamentina (Lamarck, 1819) Actinonaias ligamentina (p. 32 )
Actinonaias pectorosa (Conrad, 1834) Actinonaias pectorosa (p. 32 )
Adalaria jannae Millen, 1987 Adalaria jannae (p. 125, 280 )
Adalaria proxima (Alder & Hancock, 1854) Adalaria proxima (p. 125, 280 )
Adalaria tschuktschica Krause, 1885 Adalaria tschuktschica (p. 126, 280 )
Addisonia brophyi McLean, 1985 Addisonia brophyi (p. 59 )
Addisonia excentrica (Tiberi, 1857) Addisonia excentrica (p. 59 )
Admete californica (Dall, 1908) Admete californica (p. )
Admete gracilior (Carpenter, 1869) Admete gracilior (p. )
Admete regina Dall, 1911 Admete regina (p. )
Admete viridula (Fabricius, 1780) Admete viridula (p. )
Adontorhina cyclia Berry, 1947 Adontorhina cyclia (p. 38 )
Adontorhina sphaericosa Scott, 1986 Adontorhina sphaericosa (p. 39 )
Adula californiensis (Philippi, 1847) Adula californiensis (p. 26 )
Adula diegensis (Dall, 1911) Adula diegensis (p. 26 )
Adula gruneri (Philippi, 1851) Adula gruneri (p. 26 )
Adula schmidtii (Schrenck, 1867) Adula schmidtii (p. 26 )
Aegires albopunctatus MacFarland, 1905 Aegires albopunctatus (p. 126 )
Aegires sublaevis Odhner, 1932 Aegires sublaevis (p. 126, 280 )
Aeolidia papillosa (Linnaeus, 1761) Aeolidia papillosa (p. 132 )
Aeolidiella chromosoma (Cockerell, 1905) Aeolidiella chromosoma (p. 132, 286 )
Aeolidiella indica Bergh, 1888 Aeolidiella indica (p. 132, 286 )
Aeolidiella olivae Macfarland, 1966 Aeolidiella olivae (p. 132, 286 )
Aequipecten glyptus (Verrill, 1882) Aequipecten glyptus (p. 30 )
Aesopus chrysalloideus (Carpenter, 1864) Aesopus chrysalloideus (p. )
Aesopus myrmecoon Dall, 1916 Aesopus myrmecoon (p. )
Aesopus sanctus Dall, 1919 Aesopus sanctus (p. )
Aesopus subturritus (Carpenter, 1864) Aesopus subturritus (p. )
Aforia circinata (Dall, 1873) Aforia circinata (p. )
Aglaja ocelligera (Bergh, 1893) Aglaja ocelligera (p. 118, 274 )
Agriopoma texasianum (Dall, 1892) Agriopoma texasianum (p. )
Akera thompsoni Olsson & McGinty, 1951 Akera thompsoni (p. 122 )
Akiodoris lutescens Bergh, 1880 Akiodoris lutescens (p. 126, 280 )
Alaba incerta (d'Orbigny, 1842) Alaba incerta (p. )
Alasmidonta arcula (Lea, 1838) Alasmidonta arcula (p. 32 )
Alasmidonta atropurpurea (Rafinesque, 1831) Alasmidonta atropurpurea (p. 32 )
Alasmidonta heterodon (Lea, 1830) Alasmidonta heterodon (p. 32 )
Alasmidonta marginata Say, 1818 Alasmidonta marginata (p. 32 )
Alasmidonta mccordi Athearn, 1964 Alasmidonta mccordi (p. )
Alasmidonta raveneliana (Lea, 1834) Alasmidonta raveneliana (p. 32 )
Alasmidonta robusta Clarke, 1981 Alasmidonta robusta (p. )
Alasmidonta triangulata (Lea, 1858) Alasmidonta triangulata (p. 32 )
Alasmidonta undulata (Say, 1817) Alasmidonta undulata (p. 32 )
Alasmidonta varicosa (Lamarck, 1819) Alasmidonta varicosa (p. 32 )
Alasmidonta viridis (Rafinesque, 1820) Alasmidonta viridis (p. 32 )
Alasmidonta wrightiana (Walker, 1901) Alasmidonta wrightiana (p. )
Alderia modesta (Loven, 1844) Alderia modesta (p. 124 )
Aldisa albomarginata Millen, 1984 Aldisa albomarginata (p. 127, 282 )
Aldisa cooperi Robilliard & Baba, 1972 Aldisa cooperi (p. 127 )
Aldisa sanguinea (Cooper, 1863) Aldisa sanguinea (p. 127 )
Aldisa tara Millen, 1984 Aldisa tara (p. 127, 282 )
Aldisa zetlandica (Alder & Hancock, 1854) Aldisa zetlandica (p. 127, 282 )
Alexania floridana (Pilsbry, 1945) Alexania floridana (p. )
Alia carinata (Hinds, 1844) Alia carinata (p. )
Alia tuberosa (Carpenter, 1864) Alia tuberosa (p. )
Alvania auberiana (d'Orbigny, 1842) Alvania auberiana (p. )
Alvania microglypta Haas, 1943 Alvania microglypta (p. )
Alvania rosana Bartsch, 1911 Alvania rosana (p. )
Amaea retifera (Dall, 1889) Amaea retifera (p. )
Amauropsis islandica (Gmelin, 1791) Amauropsis islandica (p. )
Amblema elliottii (Lea, 1856) Amblema elliottii (p. 32 )
Amblema neislerii (Lea, 1858) Amblema neislerii (p. 32 )
Amblema plicata (Say, 1817) Amblema plicata (p. 32 )
Americardia biangulata (Broderip & Sowerby I, 1829) Americardia biangulata (p. 42 )
Americardia media (Linnaeus, 1758) Americardia media (p. 42 )
Americhiton andersoni (Watters, 1981) Americhiton andersoni (p. )
Amiantis callosa (Conrad, 1837) Amiantis callosa (p. )
Amnicola cora Hubricht, 1979 Amnicola cora (p. )
Amnicola dalli (Pilsbry & Beecher, 1892) Amnicola dalli (p. )
Amnicola rhombostoma Thompson, 1968 Amnicola rhombostoma (p. )
Amnicola stygius Hubricht, 1971 Amnicola stygius (p. )
Amphigyra alabamensis Pilsbry, 1906 Amphigyra alabamensis (p. 135 )
Amphissa bicolor Dall, 1892 Amphissa bicolor (p. )
Amphissa columbiana Dall, 1916 Amphissa columbiana (p. )
Amphissa cymata Dall, 1916 Amphissa cymata (p. )
Amphissa reticulata Dall, 1916 Amphissa reticulata (p. )
Amphissa versicolor Dall, 1871 Amphissa versicolor (p. )
Amusium papyraceum (Gabb, 1873) Amusium papyraceum (p. 30 )
Amygdalum papyrium (Conrad, 1846) Amygdalum papyrium (p. 26 )
Amygdalum politum (Verrill & Smith, 1880) Amygdalum politum (p. 26 )
Amygdalum sagittatum (Rehder, 1935) Amygdalum sagittatum (p. 26 )
Anadara baughmani Hertlein, 1951 Anadara baughmani (p. 27 )
Anadara brasiliana (Lamarck, 1819) Anadara brasiliana (p. 28 )
Anadara chemnitzii (Philippi, 1851) Anadara chemnitzii (p. 28 )
Anadara floridana (Conrad, 1869) Anadara floridana (p. 28 )
Anadara notabilis (Roding, 1798) Anadara notabilis (p. 28 )
Anadara transversa (Say, 1822) Anadara transversa (p. 28 )
Anadara tuberculosa (Sowerby I, 1833) Anadara tuberculosa (p. 28 )
Anatina anatina (Spengler, 1802) Anatina anatina (p. 42 )
Anatoma crispata (Fleming, 1828) Anatoma crispata (p. )
Anatoma lyra (Berry, 1947) Anatoma lyra (p. )
Ancistrobasis depressa (Dall, 1889) Ancistrobasis depressa (p. )
Ancistrocheirus lesueurii (Férussac & d'Orbigny, 1835) Ancistrocheirus lesueuri (p. 161 )
Ancistrolepis eucosmius (Dall, 1891) Ancistrolepis eucosmius (p. )
Ancistroteuthis lichtensteinii (Férussac, 1835) Ancistroteuthis lichtensteini (p. 162 )
Ancula evelinae Marcus, 1961 Ancula evelinae (p. 125 )
Ancula gibbosa (Risso, 1818) Ancula gibbosa (p. 125 )
Ancula lentiginosa Farmer, 1964 Ancula lentiginosa (p. 125, 280 )
Ancula pacifica MacFarland, 1905 Ancula pacifica (p. 125, 280 )
Angulus versicolor (DeKay, 1843) Tellina versicolor (p. 45 )
Anidolyta spongotheras (Bertsch, 1980) Anidolyta spongotheras (p. 124, 278 )
Anisodonta carolina Dall, 1900 Anisodonta carolina (p. 41 )
Anisodoris lentiginosa Millen, 1982 Anisodoris lentiginosa (p. 128 )
Anisodoris nobilis (MacFarland, 1905) Anisodoris nobilis (p. 128 )
Anisodoris worki Marcus & Marcus, 1967 Anisodoris worki (p. 128 )
Anodonta beringiana Middendorff, 1851 Anodonta beringiana (p. 32 )
Anodonta californiensis Lea, 1852 Anodonta californiensis (p. 32 )
Anodonta couperiana Lea, 1840 Anodonta couperiana (p. 32 )
Anodonta dejecta Lewis, 1875 Anodonta dejecta (p. 32 )
Anodonta heardi Gordon & Hoeh, 1995 Anodonta heardi (p. 32 )
Anodonta implicata Say, 1829 Anodonta implicata (p. 32 )
Anodonta kennerlyi Lea, 1860 Anodonta kennerlyi (p. 32 )
Anodonta nuttalliana Lea, 1838 Anodonta nuttalliana (p. 32 )
Anodonta oregonensis Lea, 1838 Anodonta oregonensis (p. 32 )
Anodonta suborbiculata Say, 1831 Anodonta suborbiculata (p. 32 )
Anodontia alba Link, 1807 Anodontia alba (p. 38 )
Anodontia philippiana (Reeve, 1850) Anodontia philippiana (p. 38 )
Anodontoides ferussacianus (Lea, 1834) Anodontoides ferussacianus (p. 32 )
Anodontoides radiatus (Conrad, 1834) Anodontoides radiatus (p. 32 )
Anomalocardia auberiana (d'Orbigny, 1842) Anomalocardia auberiana (p. )
Anomia peruviana D'Orbigny, 1846 Anomia peruviana (p. 31 )
Anomia simplex D'Orbigny, 1842 Anomia simplex (p. 31 )
Antalis antillaris (d'Orbigny, 1853) Antalis antillarum (p. 54 )
Antalis berryi (Smith & Gordon, 1948) Antalis berryi (p. 54 )
Antalis cerata (Dall, 1881) Antalis ceratum (p. 54 )
Antalis entalis (Linnaeus, 1758) Antalis entale occidentale (p. 54 )
Antalis pilsbryi (Rehder, 1942) Antalis pilsbryi (p. 54 )
Antalis pretiosa (Sowerby, 1860) Antalis pretiosum (p. 54 )
Antalis taphria (Dall, 1889) Antalis taphrium (p. 54 )
Anticlimax pilsbryi (McGinty, 1945) Anticlimax pilsbryi (p. )
Antillophos candeanus (d'Orbigny, 1842) Antillophos candeanus (p. )
Antrobia culveri Hubricht, 1971 Antrobia culveri (p. )
Antroselates spiralis Hubricht, 1963 Antroselates spiralis (p. )
Aphaostracon asthenes Thompson, 1968 Aphaostracon asthenes (p. )
Aphaostracon chalarogyrus Thompson, 1968 Aphaostracon chalarogyrus (p. )
Aphaostracon hypohyalinum Thompson, 1968 Aphaostracon hypohyalinum (p. )
Aphaostracon monas (Pilsbry, 1899) Aphaostracon monas (p. )
Aphaostracon pachynotum Thompson, 1968 Aphaostracon pachynotum (p. )
Aphaostracon pycnum Thompson, 1968 Aphaostracon pycnum (p. )
Aphaostracon rhadinum Thompson, 1968 Aphaostracon rhadinum (p. )
Aphaostracon theiocrenetum Thompson, 1968 Aphaostracon theiocrenetum (p. )
Aphaostracon xynoelictum Thompson, 1968 Aphaostracon xynoelictum (p. )
Aphelodoris antillensis (Bergh, 1879) Aphelodoris antillensis (p. 127 )
Aplexa elongata (Say, 1821) Aplexa elongata (p. 134 )
Aplysia brasiliana Rang, 1828 Aplysia brasiliana (p. 122 )
Aplysia californica Cooper, 1863 Aplysia californica (p. 122 )
Aplysia cervina (Dall & Simpson, 1901) Aplysia cervina (p. 122 )
Aplysia dactylomela Rang, 1828 Aplysia dactylomela (p. 122 )
Aplysia donca Marcus & Marcus, 1960 Aplysia donca (p. 122 )
Aplysia juliana Quoy & Gaimard, 1832 Aplysia juliana (p. 122 )
Aplysia morio (Verrill, 1901) Aplysia morio (p. 122 )
Aplysia parvula Mörch, 1863 Aplysia parvula (p. 122, 276 )
Aplysia reticulopoda Beeman, 1960 Aplysia reticulopoda (p. 122 )
Aplysia vaccaria Winkler, 1955 Aplysia vaccaria (p. 122 )
Aplysiopsis enteromorphae (Cockerell & Eliot, 1905) Aplysiopsis enteromorphae (p. 124, 278 )
Aplysiopsis zebra Clark, 1982 Aplysiopsis zebra (p. 124 )
Aporrhais occidentalis Beck, 1836 Aporrhais occidentalis (p. )
Arca imbricata Bruguiere, 1789 Arca imbricata (p. 28 )
Arca zebra (Swainson, 1833) Arca zebra (p. 28 )
Architectonica nobilis Roding, 1798 Architectonica nobilis (p. )
Architeuthis dux Steenstrup, 1860 Architeuthis dux (p. 163 )
Architeuthis japonica Pfeffer, 1912 Architeuthis japonica (p. 163 )
Arcidens confragosus (Say, 1829) Arcidens confragosus (p. 32 )
Arcinella arcinella (Linnaeus, 1767) Arcinella arcinella (p. 39 )
Arcinella cornuta Conrad, 1866 Arcinella cornuta (p. 39 )
Arcopagia vespuciana (d'Orbigny, 1853) Tellina vespuciana (p. 45 )
Arcopsis adamsi (Dall, 1886) Arcopsis adamsi (p. 28 )
Arcopsis solida (Sowerby I, 1833) Arcopsis solida (p. 28 )
Arctica islandica (Linnaeus, 1767) Arctica islandica (p. 46 )
Arctomelon stearnsii (Dall, 1872) Arctomelon stearnsii (p. )
Arcuatula senhousia (Benson, 1842) Musculista senhousia (p. 27 )
Arene bairdii (Dall, 1889) Arene bairdii (p. 59 )
Arene briareus (Dall, 1881) Arene briareus (p. 59 )
Arene cruentata (Mühlfeld, 1824) Arene cruentata (p. 59 )
Arene tricarinata (Stearns, 1872) Arene tricarinata (p. 59 )
Arene variabilis (Dall, 1889) Arene variabilis (p. 59 )
Arene venustula Aguayo & Rehder, 1936 Arene venustula (p. 59 )
Argonauta argo Linnaeus, 1758 Argonauta argo (p. 165 )
Argonauta hians Solander, 1786 Argonauta hians (p. 165 )
Argonauta nodosus Lightfoot, 1786 Argonauta nodosus (p. 165 )
Argopecten gibbus (Linnaeus, 1758) Argopecten gibbus (p. 30 )
Argopecten irradians (Lamarck, 1819) Argopecten irradians (p. 30 )
Argopecten lineolaris (Lamarck, 1819) Argopecten lineolaris (p. 30 )
Argopecten nucleus (Born, 1778) Argopecten nucleus (p. 30 )
Argopecten ventricosus (Sowerby II, 1842) Argopecten ventricosus (p. 30 )
Ariadnaria borealis (Broderip & Sowerby I, 1829) Trichotropis borealis (p. )
Arkansia wheeleri Ortmann & Walker, 1912 Arkansia wheeleri (p. 32 )
Armiger crista (Linnaeus, 1758) Gyraulus crista (p. 135 )
Armina californica (Cooper, 1863) Armina californica (p. 130 )
Armina cordellensis Gosliner & Behrens, 1996 Armina cordellensis (p. 130, 284 )
Armina mulleri (von Ihering, 1886) Armina mulleri (p. 130, 284 )
Armina wattla Marcus & Marcus, 1967 Armina wattla (p. 130, 284 )
Arvella faba (Müller, 1776) Crenella faba (p. 26 )
Asaphis deflorata (Linnaeus, 1758) Asaphis deflorata (p. 45 )
Ascobulla ulla (Marcus & Marcus, 1970) Ascobulla ulla (p. 123, 277 )
Aspella senex Dall, 1903 Aspella senex (p. )
Asperiscala bellastriata (Carpenter, 1864) Asperiscala bellastriata (p. )
Assiminea californica (Tryon, 1865) Assiminea californica (p. )
Assiminea infima Berry, 1947 Assiminea infima (p. )
Assiminea pecos Taylor, 1987 Assiminea pecos (p. )
Assiminea succinea (Pfeiffer, 1840) Assiminea succinea (p. )
Astarte arctica (Gray, 1824) Astarte arctica (p. 41 )
Astarte borealis (Schumacher, 1817) Astarte borealis (p. 41 )
Astarte castanea (Say, 1822) Astarte castanea (p. 41 )
Astarte compacta Carpenter, 1864 Astarte compacta (p. 41 )
Astarte crenata (Gray, 1824) Astarte crenata (p. 41 )
Astarte elliptica (Brown, 1827) Astarte elliptica (p. 41 )
Astarte esquimalti (Baird, 1863) Astarte esquimalti (p. 41 )
Astarte montagui (Dillwyn, 1817) Astarte montagui (p. 42 )
Astarte nana Dall, 1886 Astarte nana (p. 42 )
Astarte undata Gould, 1841 Astarte undata (p. 42 )
Astarte vernicosa Dall, 1903 Astarte vernicosa (p. 42 )
Asthenothaerus diegensis (Dall, 1915) Asthenothaerus diegensis (p. )
Asthenothaerus hemphilli Dall, 1886 Asthenothaerus hemphilli (p. )
Astyris aurantiaca Dall, 1871 Astyris aurantiaca (p. )
Astyris diaphana Verrill, 1882 Astyris diaphana (p. )
Astyris gausapata (Gould, 1850) Astyris gausapata (p. )
Astyris lunata (Say, 1826) Astyris lunata (p. )
Astyris multilineata (Dall, 1889) Astyris multilineata (p. )
Astyris profundi (Dall, 1889) Astyris profundi (p. )
Astyris pura Verrill, 1882 Astyris pura (p. )
Astyris rosacea (Gould, 1839) Astyris rosacea (p. )
Atagema alba (O'Donoghue, 1927) Atagema alba (p. 128 )
Atrina oldroydii Dall, 1901 Atrina oldroydii (p. 29 )
Atrina rigida (Lightfoot, 1786) Atrina rigida (p. 29 )
Atrina seminuda (Lamarck, 1819) Atrina seminuda (p. 29 )
Atrina serrata (Sowerby I, 1825) Atrina serrata (p. 29 )
Atrina texta Hertlein, Hanna & Strong, 1943 Atrina texta (p. 29 )
Atys caribaeus (d'Orbigny, 1841) Atys caribaeus (p. 119 )
Atys castus Carpenter, 1864 Atys castus (p. 119 )
Atys nonscriptus (Adams, 1850) Atys nonscriptus (p. 119 )
Atys obscuratus Dall, 1896 Atys obscuratus (p. 119 )
Atys riiseanus Morch, 1875 Atys riiseanus (p. 119 )
Atys sandersoni Dall, 1881 Atys sandersoni (p. 119 )
Aulacofusus brevicauda (Deshayes, 1832) Neptunea brevicauda (p. )
Austraeolis catina Marcus & Marcus, 1967 Austraeolis catina (p. 132 )
Austroneaera semipellucida (Kuroda, 1948) Austroneaera semipellucida (p. )
Austrorossia antillensis (Voss, 1955) Rossia antillensis (p. 161 )
Austrotrophon catalinensis (Oldroyd, 1927) Austrotrophon catalinensis (p. )
Axinodon redondoensis (Burch, 1941) Axinodon redondoensis (p. 39 )
Axinopsida cordata (Verrill & Bush, 1898) Axinopsida cordata (p. 39 )
Axinopsida orbiculata (Sars, 1878) Axinopsida orbiculata (p. 39 )
Axinopsida serricata (Carpenter, 1864) Axinopsida serricata (p. 39 )
Axinulus eumyarius (Sars, 1870) Axinulus eumyaria (p. 39 )
Babakina festiva (Roller, 1972) Babakina festiva (p. 132 )
Bailya intricata (Dall, 1884) Bailya intricata (p. )
Bailya weberi (Watters, 1983) Bailya weberi (p. )
Balconorbis uvaldensis Hershler & Longley, 1986 Balconorbis uvaldensis (p. )
Bankia carinata (Gray, 1827) Bankia carinata (p. )
Bankia fimbriatula Moll & Roch, 1931 Bankia fimbriatula (p. )
Bankia gouldi (Bartsch, 1908) Bankia gouldi (p. )
Bankia setacea (Tryon, 1863) Bankia setacea (p. )
Baptodoris mimetica Gosliner, 1991 Baptodoris mimetica (p. 128, 283 )
Barbatia cancellaria (Lamarck, 1819) Barbatia cancellaria (p. 28 )
Barbatia candida (Helbling, 1779) Barbatia candida (p. 28 )
Barbatia reeveana (d'Orbigny, 1846) Barbatia reeveana (p. 28 )
Barbatia tenera (Adams, 1845) Barbatia tenera (p. 28 )
Barleeia haliotiphila Carpenter, 1864 Barleeia haliotiphila (p. )
Barleeia subtenuis Carpenter, 1864 Barleeia subtenuis (p. )
Barleeia tincta Guppy, 1895 Barleeia tincta (p. )
Barnea subtruncata (Sowerby I, 1834) Barnea subtruncata (p. )
Barnea truncata (Say, 1822) Barnea truncata (p. )
Basterotia corbuloidea Dall, 1899 Basterotia corbuloidea (p. 41 )
Basterotia elliptica (Recluz, 1850) Basterotia elliptica (p. 41 )
Basterotia quadrata (Hanley, 1843) Basterotia quadrata (p. 41 )
Bathothauma lyromma Chun, 1906 Bathothauma lyromma (p. 164 )
Bathyarca anomala (Verrill & Bush, 1898) Bathyarca anomala (p. 28 )
Bathyarca frielei (Friele, 1877) Bathyarca frielei (p. 28 )
Bathyarca glacialis (Gray, 1824) Bathyarca glacialis (p. 28 )
Bathyarca glomerula (Dall, 1881) Bathyarca glomerula (p. 28 )
Bathyarca pectunculoides (Scacchi, 1833) Bathyarca pectunculoides (p. 28 )
Bathypolypus arcticus (Prosch, 1847) Bathypolypus arcticus (p. 165 )
Bathyteuthis abyssicola Hoyle, 1885 Bathyteuthis abyssicola (p. 163 )
Bathyteuthis berryi Roper, 1968 Bathyteuthis berryi (p. 163 )
Batillaria attramentaria (Sowerby II, 1855) Batillaria attramentaria (p. )
Bellaspira pentagonalis (Dall, 1889) Bellaspira pentagonalis (p. )
Benthoctopus leioderma (Berry, 1911) Octopus leioderma (p. 165 )
Benthonellania xanthias (Watson, 1886) Benthonellania xanthias (p. )
Berghia verrucicornis (Costa, 1864) Spurilla verrucicornis (p. 132, 287 )
Beringius crebricostatus (Dall, 1877) Beringius crebricostatus (p. )
Bermudella zoobotryon (Smallwood, 1910) Okenia zoobotryon (p. 125 )
Bernardina bakeri Dall, 1910 Bernardina bakeri (p. 46 )
Berryteuthis anonychus (Pearcy & Voss, 1963) Berryteuthis anonychus (p. 162 )
Berryteuthis magister (Berry, 1913) Berryteuthis magister (p. 162 )
Berthelinia caribbea Edmunds, 1963 Berthelinia caribbea (p. 123 )
Berthella agassizii (MacFarland, 1909) Berthella agassizii (p. 124 )
Berthella californica (Dall, 1900) Berthella californica (p. 124 )
Berthella stellata (Risso, 1826) Berthella stellata (p. 124, 279 )
Berthella strongi (MacFarland, 1966) Berthella strongi (p. 125, 279 )
Berthellina engeli Gardiner, 1936 Berthellina engeli (p. 125, 279 )
Biomphalaria glabrata (Say, 1818) Biomphalaria glabrata (p. 135 )
Biomphalaria havanensis (Pfeiffer, 1839) Biomphalaria havanensis (p. 135 )
Birgella subglobosus (Say, 1825) Birgella subglobosus (p. )
Bithynia tentaculata (Linnaeus, 1758) Bithynia tentaculata (p. )
Bittiolum varium (Pfeiffer, 1840) Bittiolum varium (p. )
Blauneria heteroclita (Montagu, 1808) Blauneria heteroclita (p. 132 )
Bolitaena pygmaea (Verrill, 1884) Eledonella pygmaea (p. 165 )
Boonea bisuturalis (Say, 1822) Boonea bisuturalis (p. )
Boonea impressa (Say, 1822) Boonea impressa (p. )
Boonea seminuda (Adams, 1839) Boonea seminuda (p. )
Boreacola dawsoni (Jeffreys, 1864) Boreacola dawsoni (p. 40 )
Boreochiton ruber (Linnaeus, 1767) Tonicella rubra (p. )
Boreoscala greenlandica (Perry, 1811) Epitonium greenlandicum (p. )
Boreotrophon avalonensis Dall, 1902 Boreotrophon avalonensis (p. )
Boreotrophon clathratus (Linnaeus, 1767) Boreotrophon clathratus (p. )
Boreotrophon disparilis (Dall, 1891) Boreotrophon disparilis (p. )
Boreotrophon eucymatus Dall, 1902 Boreotrophon eucymatus (p. )
Boreotrophon multicostatus (Eschscholtz, 1829) Boreotrophon multicostatus (p. )
Boreotrophon orpheus (Gould, 1849) Boreotrophon orpheus (p. )
Boreotrophon tripherus Dall, 1902 Boreotrophon tripherus (p. )
Boreotrophon truncatus (Strom, 1768) Boreotrophon truncatus (p. )
Bornia longipes (Stimpson, 1855) Bornia longipes (p. 40 )
Bosellia corinneae Marcus, 1973 Bosellia corinneae (p. 123, 277 )
Bosellia mimetica Trinchese, 1891 Bosellia mimetica (p. 123, 277 )
Bostrycapulus aculeata (Gmelin, 1791) Crepidula aculeata (p. )
Botula fusca (Gmelin, 1791) Botula fusca (p. 26 )
Brachidontes adamsianus (Dunker, 1857) Brachidontes adamsianus (p. 26 )
Brachidontes domingensis (Lamarck, 1819) Brachidontes domingensis (p. 26 )
Brachidontes exustus (Linnaeus, 1758) Brachidontes exustus (p. 26 )
Brachidontes modiolus (Linnaeus, 1767) Brachidontes modiolus (p. 26 )
Brachioteuthis beani Verrill, 1881 Brachioteuthis beani (p. 163 )
Brachioteuthis riisei (Steenstrup, 1882) Brachioteuthis riisei (p. 163 )
Bractechlamys antillarum (Recluz, 1853) Bractechlamys antillarum (p. 30 )
Buccinum aleuticum Dall, 1895 Buccinum aleuticum (p. )
Buccinum angulosum Gray, 1839 Buccinum angulosum (p. )
Buccinum eugrammatum Dall, 1907 Buccinum eugrammatum (p. )
Buccinum fringillum Dall, 1877 Buccinum fringillum (p. )
Buccinum glaciale Linnaeus, 1761 Buccinum glaciale (p. )
Buccinum kadiakense Dall, 1907 Buccinum kadiakense (p. )
Buccinum micropoma Thorson, 1944 Buccinum micropoma (p. )
Buccinum ochotense (Middendorff, 1848) Buccinum ochotense (p. )
Buccinum percrassum Dall, 1883 Buccinum percrassum (p. )
Buccinum picturatum Dall, 1877 Buccinum picturatum (p. )
Buccinum planeticum Dall, 1919 Buccinum planeticum (p. )
Buccinum plectrum Stimpson, 1865 Buccinum plectrum (p. )
Buccinum polare Gray, 1839 Buccinum polaris (p. )
Buccinum scalariforme Moller, 1842 Buccinum scalariforme (p. )
Buccinum sericatum Hancock, 1846 Buccinum sericatum (p. )
Buccinum totteni Stimpson, 1865 Buccinum totteni (p. )
Buccinum undatum Linnaeus, 1758 Buccinum undatum (p. )
Bufonaria bufo (Bruguiere, 1792) Bufonaria bufo (p. )
Bulbus fragilis (Leach, 1819) Bulbus fragilis (p. )
Bulimnaea megasoma (Say, 1824) Bulimnaea megasoma (p. 133 )
Bulla clausa Dall, 1889 Bulla clausa (p. 119 )
Bulla gemma (Verrill, 1880) Bulla gemma (p. 119 )
Bulla gouldiana Pilsbry, 1895 Bulla gouldiana (p. 119 )
Bulla solida Gmelin, 1791 Bulla solida (p. 119 )
Bulla striata Bruguiere, 1792 Bulla striata (p. 119 )
Bullina exquisita McGinty, 1955 Bullina exquisita (p. 117 )
Bursa grayana Dunker, 1862 Bursa grayana (p. )
Bursatella leachii de Blainville, 1817 Bursatella leachii (p. 122 )
Bushia elegans (Dall, 1886) Bushia elegans (p. )
Busycon candelabrum (Lamarck, 1816) Busycon candelabrum (p. )
Busycon carica (Gmelin, 1791) Busycon carica (p. )
Busycon laeostomum Kent, 1982 Busycon laeostomum (p. )
Busycon pulleyi Hollister, 1958 Busycon pulleyi (p. )
Busycotypus canaliculatus (Linnaeus, 1758) Busycotypus canaliculatus (p. )
Busycotypus plagosus (Conrad, 1862) Busycotypus plagosus (p. )
Busycotypus spiratus (Lamarck, 1816) Busycotypus spiratus (p. )
Cadlina flavomaculata MacFarland, 1905 Cadlina flavomaculata (p. 126 )
Cadlina laevis (Linnaeus, 1767) Cadlina laevis (p. 126 )
Cadlina limbaughorum Lance, 1962 Cadlina limbaughorum (p. 126, 281 )
Cadlina luteomarginata MacFarland, 1966 Cadlina luteomarginata (p. 126, 281-282 )
Cadlina modesta MacFarland, 1966 Cadlina modesta (p. 126, 282 )
Cadlina pacifica Bergh, 1879 Cadlina pacifica (p. 126 )
Cadlina rumia Marcus, 1955 Cadlina rumia (p. 126 )
Cadlina scabriuscula (Bergh, 1890) Cadlina scabriuscula (p. 126 )
Cadlina sparsa (Odhner, 1921) Cadlina sparsa (p. 127, 282 )
Cadulus californicus Pilsbry & Sharp, 1898 Polyschides californicus (p. 55 )
Cadulus parvus Henderson, 1920 Polyschides parvus (p. 55 )
Cadulus transitorius (Henderson, 1920) Cadulus transitorius (p. 55 )
Caecum antillarum Carpenter, 1858 Caecum antillarum (p. )
Caecum californicum Dall, 1885 Caecum californicum (p. )
Caecum carolinianum Dall, 1892 Caecum carolinianum (p. )
Caecum clava de Folin, 1867 Caecum clava (p. )
Caecum condylum Moore, 1969 Caecum condylum (p. )
Caecum cornucopiae (Carpenter, 1858) Caecum cornucopiae (p. )
Caecum crebricinctum Carpenter, 1864 Caecum crebricinctum (p. )
Caecum cycloferum de Folin, 1867 Caecum cycloferum (p. )
Caecum floridanum Stimpson, 1851 Caecum floridanum (p. )
Caecum gurgulio Carpenter, 1858 Caecum gurgulio (p. )
Caecum heladum Olsson & Harbison, 1953 Caecum heladum (p. )
Caecum imbricatum Carpenter, 1858 Caecum imbricatum (p. )
Caecum occidentale (Bartsch, 1920) Caecum occidentale (p. )
Caecum plicatum Carpenter, 1858 Caecum plicatum (p. )
Caecum pulchellum Stimpson, 1851 Caecum pulchellum (p. )
Caecum ryssotitum de Folin, 1867 Caecum ryssotitum (p. )
Caecum textile de Folin, 1867 Caecum textile (p. )
Caecum tortile Dall, 1892 Caecum tortile (p. )
Caecum vestitum de Folin, 1868 Caecum vestitum (p. )
Californiconus californicus (Reeve, 1844) Conus californicus (p. )
Caliphylla mediterranea Costa, 1867 Caliphylla mediterranea (p. 123 )
Caliphylla viridis (Deshayes, 1857) Polybranchia viridis (p. 123, 277-278 )
Calliodentalium callipeplum (Dall, 1889) Calliodentalium callipeplum (p. 54 )
Calliostoma adelae Schwengel, 1951 Calliostoma adelae (p. )
Calliostoma annulatum (Lightfoot, 1786) Calliostoma annulatum (p. )
Calliostoma canaliculatum (Lightfoot, 1786) Calliostoma canaliculatum (p. )
Calliostoma dentatum Quinn, 1992 Calliostoma dentatum (p. )
Calliostoma euglyptum (Adams, 1855) Calliostoma euglyptum (p. )
Calliostoma gemmulatum Carpenter, 1864 Calliostoma gemmulatum (p. )
Calliostoma gloriosum Dall, 1871 Calliostoma gloriosum (p. )
Calliostoma javanicum (Lamarck, 1822) Calliostoma javanicum (p. )
Calliostoma jujubinum (Gmelin, 1791) Calliostoma jujubinum (p. )
Calliostoma ligatum (Gould, 1849) Calliostoma ligatum (p. )
Calliostoma marionae Dall, 1906 Calliostoma marionae (p. )
Calliostoma occidentale (Mighels & Adams, 1842) Calliostoma occidentale (p. )
Calliostoma psyche Dall, 1889 Calliostoma psyche (p. )
Calliostoma pulchrum (Adams, 1850) Calliostoma pulchrum (p. )
Calliostoma roseolum Dall, 1881 Calliostoma roseolum (p. )
Calliostoma sapidum Dall, 1881 Calliostoma sapidum (p. )
Calliostoma scalenum Quinn, 1992 Calliostoma scalenum (p. )
Calliostoma splendens Carpenter, 1864 Calliostoma splendens (p. )
Calliostoma supragranosum Carpenter, 1864 Calliostoma supragranosum (p. )
Calliostoma tampaense (Conrad, 1846) Calliostoma tampaense (p. )
Calliostoma tricolor Gabb, 1865 Calliostoma tricolor (p. )
Calliostoma turbinum Dall, 1896 Calliostoma turbinum (p. )
Calliostoma variegatum Carpenter, 1864 Calliostoma variegatum (p. )
Calliostoma yucatecanum Dall, 1881 Calliostoma yucatecanum (p. )
Calliotropis regalis (Verrill & Smith, 1880) Calliotropis regalis (p. )
Callista eucymata (Dall, 1890) Callista eucymata (p. )
Callistochiton portobelensis Ferreira, 1976 Callistochiton portobelensis (p. )
Callistochiton shuttleworthianus Pilsbry, 1893 Callistochiton shuttleworthianus (p. )
Callistoctopus macropus (Risso, 1826) Octopus macropus (p. 165 )
Calotrophon ostrearum (Conrad, 1846) Calotrophon ostrearum (p. )
Calycidoris guentheri Abraham, 1876 Calycidoris guentheri (p. 126, 280 )
Calyptoconcha pellucida (Verrill, 1880) Calyptoconcha pellucida (p. )
Calyptraea centralis (Conrad, 1841) Calyptraea centralis (p. )
Calyptraea fastigiata Gould, 1846 Calyptraea fastigiata (p. )
Campeloma crassulum Rafinesque, 1819 Campeloma crassulum (p. )
Campeloma decampi (Binney, 1865) Campeloma decampi (p. )
Campeloma decisum (Say, 1817) Campeloma decisum (p. )
Campeloma floridense Call, 1886 Campeloma floridense (p. )
Campeloma geniculum (Conrad, 1834) Campeloma geniculum (p. )
Campeloma limum (Anthony, 1860) Campeloma limum (p. )
Campeloma parthenum Vail, 1979 Campeloma parthenum (p. )
Campeloma regulare (Lea, 1841) Campeloma regulare (p. )
Cantharus cancellarius (Conrad, 1846) Cantharus cancellarius (p. )
Cantharus multangulus (Philippi, 1848) Cantharus multangulus (p. )
Capulus californicus Dall, 1900 Capulus californicus (p. )
Capulus incurvus (Gmelin, 1791) Capulus incurvus (p. )
Cardiapoda placenta (Lesson, 1830) Cardiapoda placenta (p. )
Cardiomya balboae (Dall, 1916) Cardiomya balboae (p. )
Cardiomya behringensis (Leche, 1883) Cardiomya behringensis (p. )
Cardiomya costellata (Deshayes, 1830) Cardiomya costellata (p. )
Cardiomya gemma Verrill & Bush, 1898 Cardiomya gemma (p. )
Cardiomya glypta (Bush, 1885) Cardiomya glypta (p. )
Cardiomya ornatissima (d'Orbigny, 1842) Cardiomya ornatissima (p. )
Cardiomya pectinata (Carpenter, 1864) Cardiomya pectinata (p. )
Cardiomya perrostrata (Dall, 1881) Cardiomya perrostrata (p. )
Cardiomya planetica (Dall, 1908) Cardiomya planetica (p. )
Cardiomya striata (Jeffreys, 1876) Cardiomya striata (p. )
Carditamera floridana Conrad, 1838 Carditamera floridana (p. 41 )
Carditopsis smithii (Dall, 1896) Carditopsis smithii (p. 41 )
Cargoa impexa (Marcus, 1957) Okenia impexa (p. 125, 280 )
Caribachlamys imbricata (Gmelin, 1791) Caribachlamys imbricata (p. 30 )
Caribachlamys mildredae (Bayer, 1941) Caribachlamys mildredae (p. 30 )
Caribachlamys ornata (Lamarck, 1819) Caribachlamys ornata (p. 30 )
Caribachlamys sentis (Reeve, 1853) Caribachlamys sentis (p. 30 )
Carinaria cithara Benson, 1835 Carinaria cithara (p. )
Carinaria galea Benson, 1835 Carinaria galea (p. )
Cariopsilla pharpa (Marcus, 1961) Doriopsilla pharpa (p. 127, 282 )
Caryocorbula porcella (Dall, 1916) Caryocorbula porcella (p. )
Cassis flammea (Linnaeus, 1758) Cassis flammea (p. )
Catriona columbiana (O'Donoghue, 1922) Catriona columbiana (p. 131, 284 )
Catriona maua Marcus & Marcus, 1960 Catriona maua (p. 131 )
Catriona oba Marcus, 1970 Catriona oba (p. 131, 285 )
Catriona rickettsi Behrens, 1984 Catriona rickettsi (p. 131 )
Cavolinia gibbosa (d'Orbigny, 1836) Cavolinia gibbosa (p. 120 )
Cavolinia inflexa (Lesueur, 1813) Cavolinia inflexa (p. 120 )
Cavolinia tridentata (Forskål, 1775) Cavolinia tridentata (p. 120 )
Cavolinia uncinata (Rang, 1829) Cavolinia uncinata (p. 120 )
Cecina manchurica Adams, 1861 Cecina manchurica (p. 77 )
Cenchritis muricatus (Linnaeus, 1758) Cenchritis muricatus (p. )
Cerastoderma elegantulum Beck, 1842 Cerastoderma elegantulum (p. 42 )
Ceratophyllidia papilligera (Bergh, 1890) Ceratophyllidia papilligera (p. 127, 283 )
Ceratostoma foliatum (Gmelin, 1791) Ceratostoma foliatum (p. )
Ceratozona squalida (Adams, 1845) Ceratozona squalida (p. )
Cerberilla mosslandica McDonald & Nybakken, 1975 Cerberilla mosslandica (p. 132 )
Cerberilla tanna Marcus & Marcus, 1960 Cerberilla tanna (p. 132, 286 )
Cerithidea californica (Haldeman, 1840) Cerithidea californica (p. )
Cerithidea costata (da Costa, 1778) Cerithidea costata (p. )
Cerithidea pliculosa (Menke, 1829) Cerithidea pliculosa (p. )
Cerithidea scalariformis (Say, 1825) Cerithidea scalariformis (p. )
Cerithium atratum (Born, 1778) Cerithium atratum (p. )
Cerithium eburneum Bruguiere, 1792 Cerithium eburneum (p. )
Cerithium guinaicum Philippi, 1849 Cerithium guinaicum (p. )
Cerithium litteratum (Born, 1778) Cerithium litteratum (p. )
Cerithium lutosum Menke, 1828 Cerithium lutosum (p. )
Cerithium muscarum Say, 1822 Cerithium muscarum (p. )
Cerodrillia thea (Dall, 1884) Cerodrillia thea (p. )
Chaceia ovoidea (Gould, 1851) Chaceia ovoidea (p. )
Chaetoderma argenteum Heath, 1911 Chaetoderma argenteum (p. )
Chaetoderma canadense Nierstrasz, 1902 Chaetoderma canadense (p. 19 )
Chaetoderma elegans Scheltema, 1995 Chaetoderma elegans (p. 19 )
Chaetoderma hancocki (Schwabl, 1963) Chaetoderma hancocki (p. 19 )
Chaetoderma marinelli (Schwabl, 1963) Chaetoderma marinelli (p. 19 )
Chaetoderma nanulum Heath, 1911 Chaetoderma nanulum (p. 19 )
Chaetoderma nitidulum Lovén, 1844 Chaetoderma nitidulum (p. 19 )
Chaetoderma pacificum (Schwabl, 1963) Chaetoderma pacificum (p. 19 )
Chaetoderma productum Wirén, 1892 Chaetoderma productum (p. 19 )
Chaetoderma scabrum Heath, 1911 Chaetoderma scabrum (p. 19 )
Chaetopleura apiculata (Say, 1830) Chaetopleura apiculata (p. )
Chaetopleura janeirensis (Gray, 1828) Chaetopleura janeirensis (p. )
Chama arcana Bernard, 1976 Chama arcana (p. 39 )
Chama congregata Conrad, 1833 Chama congregata (p. 39 )
Chama florida Lamarck, 1819 Chama florida (p. 39 )
Chama lactuca Dall, 1886 Chama lactuca (p. 39 )
Chama macerophylla Gmelin, 1791 Chama macerophylla (p. 39 )
Chama sarda Reeve, 1847 Chama sarda (p. )
Chama sinuosa Broderip, 1835 Chama sinuosa (p. 39 )
Cheilea equestris (Linnaeus, 1758) Cheilea equestris (p. )
Chelidonura hirundinina (Quoy & Gaimard, 1833) Chelidonura hirundinina (p. 118, 274 )
Chelidonura sabina Marcus & Marcus, 1970 Chelidonura sabina (p. 118 )
Chicoreus dilectus (Adams, 1855) Chicoreus dilectus (p. )
Chione californiensis (Broderip, 1835) Chione californiensis (p. )
Chione cancellata (Linnaeus, 1767) Chione cancellata (p. )
Chione undatella (Sowerby I, 1835) Chione undatella (p. )
Chionista fluctifraga (Sowerby II, 1853) Chionista fluctifraga (p. )
Chiroteuthis joubini Voss, 1967 Chiroteuthis joubini (p. 164 )
Chiroteuthis mega (Joubin, 1932) Chiroteuthis capensis (p. 164 )
Chiroteuthis veranii (Férussac, 1834) Chiroteuthis veranyi lacertosa (p. 164 )
Chiton tuberculatus Linnaeus, 1758 Chiton tuberculatus (p. )
Chlamydoconcha orcutti Dall, 1884 Chlamydoconcha orcutti (p. 40 )
Chlamys albida (Arnold, 1906) Chlamys albida (p. 30 )
Chlamys behringiana (Middendorff, 1849) Chlamys behringiana (p. 30 )
Chlamys hastata (Sowerby II, 1842) Chlamys hastata (p. 30 )
Chlamys islandica (Müller, 1776) Chlamys islandica (p. 30 )
Chlamys rubida (Hinds, 1845) Chlamys rubida (p. 30 )
Chondropoma dentatum (Say, 1825) Chondropoma dentatum (p. )
Choristodon robustus (Sowerby I, 1834) Choristodon robustum (p. )
Chromodoris aila Marcus, 1961 Chromodoris aila (p. 127 )
Chromodoris clenchi (Russell, 1935) Chromodoris clenchi (p. 127 )
Chromodoris macfarlandi Cockerell, 1901 Chromodoris macfarlandi (p. 127 )
Chromodoris morchii Bergh, 1879 Chromodoris morchii (p. 127 )
Chtenopteryx sicula (Verany, 1851) Chtenopteryx sicula (p. 163 )
Cincinnatia comalensis (Pilsbry & Ferriss, 1906) Cincinnatia comalensis (p. )
Cincinnatia floridana (Frauenfeld, 1863) Cincinnatia floridana (p. )
Cincinnatia fraterna Thompson, 1968 Cincinnatia fraterna (p. )
Cincinnatia helicogyra Thompson, 1968 Cincinnatia helicogyra (p. )
Cincinnatia integra (Say, 1829) Cincinnatia integra (p. )
Cincinnatia mica Thompson, 1968 Cincinnatia mica (p. )
Cincinnatia monroensis (Dall, 1885) Cincinnatia monroensis (p. )
Cincinnatia parva Thompson, 1968 Cincinnatia parva (p. )
Cincinnatia petrifons Thompson, 1968 Cincinnatia petrifons (p. )
Cincinnatia ponderosa Thompson, 1968 Cincinnatia ponderosa (p. )
Cincinnatia vanhyningi (Vanatta, 1934) Cincinnatia vanhyningi (p. )
Cincinnatia wekiwae Thompson, 1968 Cincinnatia wekiwae (p. )
Cipangopaludina japonica (von Martens, 1861) Cipangopaludina japonica (p. )
Circomphalus strigillinus (Dall, 1902) Circomphalus strigillinus (p. )
Circulus multistriatus (Verrill, 1884) Circulus multistriatus (p. )
Circulus texanus (Moore, 1965) Circulus texanus (p. )
Cittarium pica (Linnaeus, 1758) Cittarium pica (p. )
Clappia cahabensis Clench, 1965 Clappia cahabensis (p. )
Clappia umbilicata (Walker, 1904) Clappia umbilicata (p. )
Clinocardium blandum (Gould, 1850) Clinocardium blandum (p. 42 )
Clinocardium nuttallii (Conrad, 1837) Clinocardium nuttallii (p. 42 )
Clinopegma magnum (Dall, 1895) Clinopegma magnum (p. )
Clio chaptalii Gray, 1850 Clio chaptalii (p. 121 )
Clio cuspidata (Bosc, 1802) Clio cuspidata (p. 121 )
Clio polita (Pelseneer, 1888) Clio polita (p. 121 )
Clio pyramidata Linnaeus, 1767 Clio pyramidata (p. 121 )
Clio recurva (Children, 1823) Clio recurva (p. 121 )
Clione limacina (Phipps, 1774) Clione limacina (p. 121 )
Cliopsis krohnii Troschel, 1854 Cliopsis krohnii (p. 122 )
Coanicardita ventricosa (Gould, 1850) Cyclocardia ventricosa (p. 41 )
Cochlespira elegans (Dall, 1881) Cochlespira elegans (p. )
Cochlespira radiata (Dall, 1889) Cochlespira radiata (p. )
Cochliolepis parasitica Stimpson, 1858 Cochliolepis parasitica (p. )
Cochliolepis striata Dall, 1889 Cochliolepis striata (p. )
Cochliopina riograndensis (Pilsbry & Ferriss, 1906) Cochliopina riograndensis (p. )
Codakia cubana Dall, 1901 Codakia cubana (p. 38 )
Codakia orbicularis (Linnaeus, 1758) Codakia orbicularis (p. 38 )
Codakia orbiculata (Montagu, 1808) Codakia orbiculata (p. 38 )
Codakia pectinella (Adams, 1852) Codakia pectinella (p. 38 )
Colga pacifica (Bergh, 1894) Issena pacifica (p. 126 )
Colga ramosa (Verrill & Emerton, 1881) Issena ramosa (p. 126 )
Colubraria testacea (Mörch, 1854) Colubraria testacea (p. )
Columbella mercatoria (Linnaeus, 1758) Columbella mercatoria (p. )
Columbella rusticoides Heilprin, 1886 Columbella rusticoides (p. )
Columbellopsis nycteis (Duclos, 1846) Columbellopsis nycteis (p. )
Colus aphelus (Dall, 1890) Colus aphelus (p. )
Colus aurantius (Dall, 1907) Colus aurantius (p. )
Colus barbarinus Dall, 1919 Colus barbarinus (p. )
Colus brunneus (Dall, 1877) Colus brunneus (p. )
Colus callorhinus (Dall, 1877) Colus callorhinus (p. )
Colus errones Dall, 1919 Colus errones (p. )
Colus griseus (Dall, 1890) Colus griseus (p. )
Colus herendeenii (Dall, 1902) Colus herendeenii (p. )
Colus islandicus (Mohr, 1786) Colus islandicus (p. )
Colus oceanodromae (Dall, 1919) Colus oceanodromae (p. )
Colus ombronius Dall, 1919 Colus ombronius (p. )
Colus periscelidus (Dall, 1891) Colus periscelidus (p. )
Colus pubescens (Verrill, 1882) Colus pubescens (p. )
Colus pygmaeus (Gould, 1841) Colus pygmaeus (p. )
Colus terraenovae Bouchet & Waren, 1985 Colus terraenovae (p. )
Colus virens (Dall, 1877) Colus virens (p. )
Compressidens ophiodon (Dall, 1881) Compressidens ophiodon (p. 55 )
Compressidens pressum (Sharp & Pilsbry, 1897) Compressidens pressus (p. 55 )
Compressidens stearnsii (Pilsbry & Sharp, 1898) Compressidens stearnsii (p. 55 )
Compsomyax subdiaphana (Carpenter, 1864) Compsomyax subdiaphana (p. )
Conasprella armiger (Crosse, 1858) Conus armiger (p. )
Conasprella mindana (Hwass, 1792) Conus mindanus (p. )
Conchocele bisecta (Conrad, 1849) Conchocele bisecta (p. 39 )
Conualevia alba Collier & Farmer, 1964 Conualevia alba (p. 127 )
Conus anabathrum Crosse, 1865 Conus anabathrum (p. )
Conus attenuatus Reeve, 1844 Conus attenuatus (p. )
Conus cancellatus Hwass, 1792 Conus cancellatus (p. )
Conus daucus Hwass, 1792 Conus daucus (p. )
Conus ermineus Born, 1778 Conus ermineus (p. )
Conus flamingo Petuch, 1980 Conus flamingo (p. )
Conus flavescens Sowerby II, 1834 Conus flavescens (p. )
Conus granulatus Linnaeus, 1758 Conus granulatus (p. )
Conus mus Hwass, 1792 Conus mus (p. )
Conus patae Abbott, 1971 Conus patae (p. )
Conus regius Gmelin, 1791 Conus regius (p. )
Conus sennottorum Rehder & Abbott, 1951 Conus sennottorum (p. )
Conus spurius Gmelin, 1791 Conus spurius (p. )
Conus stimpsoni Dall, 1902 Conus stimpsoni (p. )
Cooperella atlantica Rehder, 1943 Cooperella atlantica (p. )
Cooperella subdiaphana (Carpenter, 1864) Cooperella subdiaphana (p. )
Coralliophaga coralliophaga (Gmelin, 1791) Coralliophaga coralliophaga (p. 46 )
Coralliophila aberrans (Adams, 1850) Coralliophila aberrans (p. )
Coralliophila caribaea Abbott, 1958 Coralliophila caribaea (p. )
Coralliophila costata (de Blainville, 1832) Coralliophila costata (p. )
Coralliophila galea (Dillwyn, 1823) Coralliophila galea (p. )
Coralliophila scalariformis (Lamarck, 1822) Coralliophila scalariformis (p. )
Corambe obscura (Verrill, 1870) Corambe obscura (p. 125, 279 )
Corbicula fluminea (Müller, 1774) Corbicula fluminea (p. )
Corbula barrattiana Adams, 1852 Corbula barrattiana (p. )
Corbula chittyana Adams, 1852 Corbula chittyana (p. )
Corbula contracta Say, 1822 Corbula contracta (p. )
Corbula cymella Dall, 1881 Corbula cymella (p. )
Corbula dietziana Adams, 1852 Corbula dietziana (p. )
Corbula krebsiana Adams, 1852 Corbula krebsiana (p. )
Corbula swiftiana Adams, 1852 Corbula swiftiana (p. )
Corolla calceola (Verrill, 1880) Corolla calceola (p. 121, 276 )
Corolla intermedia (Tesch, 1903) Corolla intermedia (p. 121, 276 )
Corolla ovata (Quoy & Gaimard, 1832) Corolla ovata (p. 121, 276 )
Corolla spectabilis Dall, 1871 Corolla spectabilis (p. 121 )
Cosmioconcha calliglypta (Dall & Simpson, 1901) Cosmioconcha calliglypta (p. )
Cosmotriphora decorata (Adams, 1850) Cosmotriphora decorata (p. )
Cosmotriphora melanura (Adams, 1850) Cosmotriphora melanura (p. )
Costasiella nonatoi Marcus & Marcus, 1960 Costasiella nonatoi (p. 124, 278 )
Costasiella ocellifera (Simroth, 1895) Costasiella ocellifera (p. 124 )
Costoanachis avara (Say, 1822) Costoanachis avara (p. )
Costoanachis catenata (Sowerby II, 1844) Costoanachis catenata (p. )
Costoanachis floridana (Rehder, 1939) Costoanachis floridana (p. )
Costoanachis lafresnayi (Fischer & Bernardi, 1857) Costoanachis lafresnayi (p. )
Costoanachis semiplicata (Stearns, 1873) Costoanachis semiplicata (p. )
Costoanachis sparsa (Reeve, 1859) Costoanachis sparsa (p. )
Couthouyella striatula (Couthouy, 1838) Couthouyella striatula (p. )
Cranchia scabra Leach, 1817 Cranchia scabra (p. 164 )
Cranopsis asturiana (Fischer, 1882) Cranopsis asturiana (p. )
Cranopsis cucullata (Gould, 1846) Cranopsis cucullata (p. )
Cranopsis decorata (Cowan & McLean, 1968) Cranopsis decorata (p. )
Cranopsis erecta (Dall, 1889) Cranopsis erecta (p. )
Cranopsis granulata (Seguenza, 1862) Cranopsis granulata (p. )
Cranopsis major (Dall, 1891) Cranopsis major (p. )
Cranopsis multistriata (Dall, 1914) Cranopsis multistriata (p. )
Crassadoma gigantea (Gray, 1825) Crassadoma gigantea (p. 30 )
Crassicardia crassidens (Broderip & Sowerby I, 1829) Cyclocardia crassidens (p. 41 )
Crassicardia crebricostata (Krause, 1885) Cyclocardia crebricostata (p. 41 )
Crassinella dupliniana (Dall, 1903) Crassinella dupliniana (p. 42 )
Crassinella lunulata (Conrad, 1834) Crassinella lunulata (p. 42 )
Crassinella martinicensis (d'Orbigny, 1842) Crassinella martinicensis (p. 42 )
Crassinella pacifica (Adams, 1852) Crassinella pacifica (p. 42 )
Crassostrea virginica (Gmelin, 1791) Crassostrea virginica (p. 31 )
Cratena pilata (Gould, 1870) Cratena pilata (p. 132, 286 )
Creedonia succinea (Pfeiffer, 1854) Creedonia succinea (p. 132, 286 )
Crenella decussata (Montagu, 1808) Crenella decussata (p. 26 )
Crenella fragilis Verrill, 1885 Crenella fragilis (p. 26 )
Crenella glandula (Totten, 1834) Crenella glandula (p. 26 )
Crenella pectinula (Gould, 1841) Crenella pectinula (p. 26 )
Crenella skomma (Schwengel, 1944) Crenella skomma (p. 27 )
Crepidula adunca Sowerby I, 1825 Crepidula adunca (p. )
Crepidula convexa Say, 1822 Crepidula convexa (p. )
Crepidula fornicata (Linnaeus, 1758) Crepidula fornicata (p. )
Crepidula maculosa Conrad, 1846 Crepidula maculosa (p. )
Crepidula naticarum Williamson, 1905 Crepidula naticarum (p. )
Crepidula nummaria Gould, 1846 Crepidula nummaria (p. )
Crepidula onyx Sowerby I, 1824 Crepidula onyx (p. )
Crepidula perforans (Valenciennes, 1846) Crepidula perforans (p. )
Crepidula plana Say, 1822 Crepidula plana (p. )
Crepidula striolata Menke, 1851 Crepidula striolata (p. )
Crepipatella dorsata (Broderip, 1834) Crepipatella dorsata (p. )
Crepipatella orbiculata (Dall, 1919) Crepipatella orbiculata (p. )
Creseis acicula (Rang, 1828) Creseis acicula (p. 121 )
Creseis virgula (Rang, 1828) Creseis virgula (p. 121 )
Crimora coneja Marcus, 1961 Crimora coneja (p. 126, 280 )
Crossata californica (Hinds, 1843) Crossata californica (p. )
Crucibulum auricula (Gmelin, 1791) Crucibulum auricula (p. )
Crucibulum spinosum (Sowerby I, 1824) Crucibulum spinosum (p. )
Crucibulum striatum Say, 1824 Crucibulum striatum (p. )
Cryoturris cerinella (Dall, 1889) Cryoturris cerinella (p. )
Cryptobranchia alba Dall, 1869 Cryptobranchia alba (p. )
Cryptobranchia concentrica (Middendorff, 1851) Cryptobranchia concentrica (p. )
Cryptochiton stelleri (Middendorff, 1847) Cryptochiton stelleri (p. )
Cryptoconchus floridanus (Dall, 1889) Cryptoconchus floridanus (p. )
Cryptomya californica (Conrad, 1837) Cryptomya californica (p. )
Cryptonatica affinis (Gmelin, 1791) Cryptonatica affinis (p. )
Cryptonatica janthostoma (Deshayes, 1839) Cryptonatica janthostoma (p. )
Cryptopecten phrygium (Dall, 1886) Cryptopecten phrygium (p. 30 )
Cryptostrea permollis (Sowerby II, 1871) Cryptostrea permollis (p. 31 )
Ctenocardia guppyi (Thiele, 1910) Americardia guppyi (p. 42 )
Ctenoides scabra (Born, 1778) Lima scabra (p. 29 )
Cumanotus beaumonti (Eliot, 1906) Cumanotus beaumonti (p. 285 )
Cumanotus fernaldi Thompson & Brown, 1984 Cumanotus fernaldi (p. 131, 285 )
Cumberlandia monodonta (Say, 1829) Cumberlandia monodonta (p. 32 )
Cumingia californica Conrad, 1837 Cumingia californica (p. 45 )
Cumingia coarctata Sowerby I, 1833 Cumingia coarctata (p. 45 )
Cumingia tellinoides (Conrad, 1831) Cumingia tellinoides (p. 45 )
Cuna dalli Vanatta, 1904 Cuna dalli (p. 41 )
Cuspidaria alternata (d'Orbigny, 1842) Cuspidaria alternata (p. )
Cuspidaria glacialis (Sars, 1878) Cuspidaria glacialis (p. )
Cuspidaria media Verrill & Bush, 1898 Cuspidaria media (p. )
Cuspidaria microrhina Dall, 1886 Cuspidaria microrhina (p. )
Cuspidaria obesa (Loven, 1846) Cuspidaria obesa (p. )
Cuspidaria parapodema Bernard, 1969 Cuspidaria parapodema (p. )
Cuspidaria pellucida Stimpson, 1853 Cuspidaria pellucida (p. )
Cuspidaria rostrata (Spengler, 1793) Cuspidaria rostrata (p. )
Cuspidaria subglacialis Dall, 1913 Cuspidaria subglacialis (p. )
Cuthona abronia (MacFarland, 1966) Cuthona abronia (p. 131 )
Cuthona albocrusta (MacFarland, 1966) Cuthona albocrusta (p. 131 )
Cuthona caerulea (Montagu, 1804) Cuthona caerulea (p. 131, 285 )
Cuthona cocoachroma Williams & Gosliner, 1979 Cuthona cocoachroma (p. 131 )
Cuthona concinna (Alder & Hancock, 1843) Cuthona concinna (p. 131 )
Cuthona divae (Marcus, 1961) Cuthona divae (p. 131, 285 )
Cuthona flavovulta (MacFarland, 1966) Cuthona flavovulta (p. 131 )
Cuthona fulgens (MacFarland, 1966) Cuthona fulgens (p. 131 )
Cuthona gymnota (Couthouy, 1838) Catriona gymnota (p. 131, 285 )
Cuthona hamanni Behrens, 1987 Cuthona hamanni (p. 131, 285 )
Cuthona lagunae (O'Donoghue, 1926) Cuthona lagunae (p. 131 )
Cuthona nana (Alder & Hancock, 1842) Cuthona nana (p. 131, 285 )
Cuthona perca (Marcus, 1958) Cuthona perca (p. 131, 285 )
Cuthona phoenix Gosliner, 1981 Cuthona phoenix (p. 131, 285 )
Cuthona punicea Millen, 1986 Cuthona punicea (p. 131, 285 )
Cuthona rolleri Behrens & Gosliner, 1988 Cuthona rolleri (p. 131, 286 )
Cuthona tina (Marcus, 1957) Cuthona tina (p. 131 )
Cuthona veronicae (Verrill, 1880) Cuthona veronicae (p. 131, 286 )
Cuthona virens (MacFarland, 1966) Cuthona virens (p. 131 )
Cuthona viridis (Forbes, 1840) Cuthona viridis (p. 131, 286 )
Cuvierina columnella (Rang, 1827) Cuvierina columnella (p. 121 )
Cyathodonta pedroana Dall, 1915 Cyathodonta pedroana (p. )
Cyclinella tenuis (Recluz, 1852) Cyclinella tenuis (p. )
Cyclocardia bailyi (Burch, 1944) Cyclocardia bailyi (p. 41 )
Cyclocardia barbarensis (Stearns, 1891) Cyclocardia barbarensis (p. 41 )
Cyclocardia borealis (Conrad, 1831) Cyclocardia borealis (p. 41 )
Cyclocardia gouldii (Dall, 1903) Cyclocardia gouldii (p. 41 )
Cyclocardia incisa (Dall, 1903) Cyclocardia incisa (p. 41 )
Cyclocardia novangliae (Morse, 1869) Cyclocardia novangliae (p. 41 )
Cyclocardia ovata (Riabinina, 1952) Cyclocardia ovata (p. 41 )
Cyclocardia umnaka (Willett, 1932) Cyclocardia umnaka (p. 41 )
Cyclonaias tuberculata (Rafinesque, 1820) Cyclonaias tuberculata (p. 33 )
Cyclopecten barbarensis Grau, 1959 Cyclopecten barbarensis (p. 31 )
Cyclopecten catalinensis (Willett, 1931) Cyclopecten catalinensis (p. 31 )
Cyclopecten davidsoni (Dall, 1897) Cyclopecten davidsoni (p. 31 )
Cyclopecten imbrifer (Lovén, 1846) Cyclopecten imbrifer (p. 31 )
Cyclopecten leptaleus (Verrill, 1884) Cyclopecten leptaleum (p. 31 )
Cyclopecten nanus Verrill & Bush, 1897 Cyclopecten nanus (p. 31 )
Cyclopecten reticulus (Dall, 1886) Cyclopecten reticulum (p. 31 )
Cyclopecten ringnesius (Dall, 1924) Cyclopecten ringnesius (p. 31 )
Cyclopecten thalassinus (Dall, 1886) Cyclopecten thalassinus (p. 31 )
Cyclostrema cancellatum Marryat, 1818 Cyclostrema cancellatum (p. )
Cyclostrema huesonicum (Dall, 1927) Cyclostrema huesonicum (p. )
Cyclostrema tortuganum (Dall, 1927) Cyclostrema tortuganum (p. )
Cyclostremiscus suppressus (Dall, 1889) Cyclostremiscus suppressus (p. )
Cycloteuthis sirventi Joubin, 1919 Cycloteuthis sirventi (p. 162 )
Cyerce antillensis Engel, 1927 Cyerce antillensis (p. 123 )
Cyerce cristallina (Trinchese, 1881) Cyerce cristallina (p. 124 )
Cylichna alba (Brown, 1827) Cylichna alba (p. 118 )
Cylichna attonsa Carpenter, 1865 Cylichna attonsa (p. 118 )
Cylichna diegensis (Dall, 1919) Cylichna diegensis (p. 118 )
Cylichna eburnea Verrill, 1885 Cylichna eburnea (p. 118, 274 )
Cylichna gouldii (Couthouy, 1839) Cylichna gouldii (p. 118 )
Cylichna linearis Jeffreys, 1867 Cylichna linearis (p. 118 )
Cylichna nucleolus (Reeve, 1855) Cylichna nucleolus (p. 118 )
Cylichna verrilli Dall, 1889 Cylichna verrillii (p. 118 )
Cylichnella oryza (Totten, 1835) Acteocina oryza (p. 118 )
Cylichnoides occultus (Mighels & Adams, 1842) Cylichna occulta (p. 118 )
Cylindrobulla beauii Fischer, 1857 Cylindrobulla beauii (p. 123, 277 )
Cymatioa electilis (Berry, 1963) Cymatioa electilis (p. 40 )
Cymatium comptum (Adams, 1855) Cymatium comptum (p. )
Cymatium cynocephalum (Lamarck, 1816) Cymatium cynocephalum (p. )
Cymatium femorale (Linnaeus, 1758) Cymatium femorale (p. )
Cymatium martinianum (d'Orbigny, 1846) Cymatium martinianum (p. )
Cymatium muricinum (Roding, 1798) Cymatium muricinum (p. )
Cymatium nicobaricum (Roding, 1798) Cymatium nicobaricum (p. )
Cymatium ridleyi (Smith, 1890) Cymatium ridleyi (p. )
Cymatium tenuiliratum (Lischke, 1873) Cymatium tenuiliratum (p. )
Cymatoica orientalis (Dall, 1890) Cymatoica orientalis (p. 43 )
Cymbovula acicularis (Lamarck, 1810) Cymbovula acicularis (p. )
Cymbulia peronii de Blainville, 1818 Cymbulia peronii (p. 121 )
Cyphoma aureocinctum (Dall, 1889) Cyphoma aureocinctum (p. )
Cyphoma gibbosum (Linnaeus, 1758) Cyphoma gibbosum (p. )
Cyphoma rhomba Cate, 1978 Cyphoma rhomba (p. )
Cyphoma signatum Pilsbry & McGinty, 1939 Cyphoma signatum (p. )
Cypraecassis testiculus (Linnaeus, 1758) Cypraecassis testiculus (p. )
Cyprogenia aberti (Conrad, 1850) Cyprogenia aberti (p. 33 )
Cyprogenia stegaria (Rafinesque, 1820) Cyprogenia stegaria (p. 33 )
Cyrenoida floridana (Dall, 1896) Cyrenoida floridana (p. 39 )
Cyrtodaria kurriana Dunker, 1861 Cyrtodaria kurriana (p. )
Cyrtodaria siliqua (Spengler, 1793) Cyrtodaria siliqua (p. )
Cyrtonaias tampicoensis (Lea, 1838) Cyrtonaias tampicoensis (p. 33 )
Cyrtopleura costata (Linnaeus, 1758) Cyrtopleura costata (p. )
Cystiscus politus (Carpenter, 1857) Cystiscus politus (p. )
Dacrydium elegantulum Salas & Gofas, 1997 Dacrydium elegantulum hendersoni (p. 27 )
Dacrydium pacificum Dall, 1916 Dacrydium pacificum (p. 27 )
Dacrydium vitreum (Moller, 1842) Dacrydium vitreum (p. 27 )
Daphnella lymneiformis (Kiener, 1840) Daphnella lymneiformis (p. )
Dasyscias franzi Thompson & Hershler, 1991 Dasyscias franzi (p. )
Delectopecten vancouverensis (Whiteaves, 1893) Delectopecten vancouverensis (p. 30 )
Delectopecten vitreus (Gmelin, 1791) Delectopecten vitreus (p. 30 )
Dendostrea frons (Linnaeus, 1758) Dendostrea frons (p. 31 )
Dendrodoris fulva (MacFarland, 1905) Dendrodoris fulva (p. 128, 282 )
Dendrodoris krebsii (Morch, 1863) Dendrodoris krebsii (p. 127, 282 )
Dendrodoris nigromaculata (Cockerell, 1905) Dendrodoris nigromaculata (p. 127, 282 )
Dendrodoris warta Marcus & Marcus, 1976 Dendrodoris warta (p. 127 )
Dendronotus albopunctatus Robilliard, 1972 Dendronotus albopunctatus (p. 129 )
Dendronotus albus MacFarland, 1966 Dendronotus albus (p. 129 )
Dendronotus dalli Bergh, 1879 Dendronotus dalli (p. 129, 283 )
Dendronotus diversicolor Robilliard, 1970 Dendronotus diversicolor (p. 129 )
Dendronotus frondosus (Ascanius, 1774) Dendronotus frondosus (p. 129 )
Dendronotus iris Cooper, 1863 Dendronotus iris (p. 129 )
Dendronotus robustus Verrill, 1870 Dendronotus robustus (p. 129, 283 )
Dendronotus rufus O'Donoghue, 1921 Dendronotus rufus (p. 129 )
Dendronotus subramosus MacFarland, 1966 Dendronotus subramosus (p. 129 )
Dendropoma corrodens (d'Orbigny, 1842) Dendropoma corrodens (p. )
Dendropoma irregulare (d'Orbigny, 1842) Dendropoma irregulare (p. )
Dendropoma lituella (Morch, 1861) Dendropoma lituella (p. )
Dendropoma rastrum (Morch, 1861) Dendropoma rastrum (p. )
Dentalium gouldii Dall, 1889 Dentalium gouldii (p. 54 )
Dentalium laqueatum Verrill, 1885 Dentalium laqueatum (p. 54 )
Dentalium neohexagonum Sharp & Pilsbry, 1897 Dentalium neohexagonum (p. 54 )
Dentalium vallicolens Raymond, 1904 Dentalium vallicolens (p. 54 )
Dentimargo aureocinctus (Stearns, 1872) Dentimargo aureocinctus (p. )
Dentimargo eburneolus (Conrad, 1834) Dentimargo eburneolus (p. )
Dentistyla asperrima (Dall, 1881) Dentistyla asperrima (p. )
Depressiscala nautlae (Morch, 1874) Depressiscala nautlae (p. )
Depressiscala nitidella (Dall, 1889) Depressiscala nitidella (p. )
Depressiscala polita (Sowerby II, 1844) Depressiscala polita (p. )
Dermatomya buttoni Dall, 1916 Dermatomya buttoni (p. )
Dermatomya mactroides (Dall, 1889) Dermatomya mactroides (p. )
Dermomurex pauperculus (Adams, 1850) Dermomurex pauperculus (p. )
Desmopterus pacificus Essenberg, 1919 Desmopterus pacificus (p. 121 )
Desmopterus papilio Chun, 1889 Desmopterus papilio (p. 121 )
Devonia perrieri (Malard, 1904) Entovalva perrieri (p. 40 )
Diacavolinia deblainvillei van der Spoel, Bleeker & Kobayashi, 1993 Diacavolinia deblainvillei (p. 121, 275 )
Diacavolinia deshayesi van der Spoel, Bleeker & Kobayashi, 1993 Diacavolinia deshayesi (p. 121, 275 )
Diacavolinia elegans van der Spoel, Bleeker & Kobayashi, 1993 Diacavolinia elegans (p. 121, 275 )
Diacavolinia ovalis van der Spoel, Bleeker & Kobayashi, 1993 Diacavolinia ovalis (p. 121, 275 )
Diacria danae van Leyen & van der Spoel, 1982 Diacria danae (p. 121, 275 )
Diacria maculata Bleeker & van der Spoel, 1988 Diacria maculata (p. 121, 275 )
Diacria major (Boas, 1886) Diacria major (p. 121, 275 )
Diacria rampali Dupont, 1979 Diacria rampali (p. 121, 275 )
Diacria trispinosa (Lesueur, 1821) Diacria trispinosa (p. 121, 275 )
Diaphana californica Dall, 1919 Diaphana californica (p. 120 )
Diaphana minuta Brown, 1827 Diaphana brunnea (p. 120 )
Diaphana minuta Brown, 1827 Diaphana minuta (p. 120, 175 )
Diaphorodoris lirulatocauda Millen, 1985 Diaphorodoris lirulatocauda (p. 126 )
Diaulula sandiegensis (Cooper, 1863) Diaulula sandiegensis (p. 128 )
Dimya argentea Dall, 1886 Dimya argentea (p. 31 )
Dimya californiana Berry, 1936 Dimya californiana (p. 31 )
Dinocardium robustum (Lightfoot, 1786) Dinocardium robustum (p. 42 )
Diodora arcuata (Sowerby II, 1862) Diodora arcuata (p. )
Diodora arnoldi McLean, 1966 Diodora arnoldi (p. )
Diodora aspera (Rathke, 1833) Diodora aspera (p. )
Diodora bermudensis (Dall & Bartsch, 1911) Diodora bermudensis (p. )
Diodora cayenensis (Lamarck, 1822) Diodora cayenensis (p. )
Diodora fluviana (Dall, 1889) Diodora fluviana (p. )
Diodora minuta (Lamarck, 1822) Diodora minuta (p. )
Diodora variegata Sowerby II, 1862 Diodora variegata (p. )
Diodora viridula (Lamarck, 1822) Diodora viridula (p. )
Diplodonta aleutica Dall, 1901 Diplodonta aleutica (p. 39 )
Diplodonta candeana (d'Orbigny, 1842) Diplodonta candeana (p. 39 )
Diplodonta impolita Berry, 1953 Diplodonta impolita (p. 39 )
Diplodonta notata Dall & Simpson, 1901 Diplodonta notata (p. 39 )
Diplodonta nucleiformis Wagner, 1838 Diplodonta nucleiformis (p. 39 )
Diplodonta orbella (Gould, 1851) Diplodonta orbella (p. 39 )
Diplodonta punctata (Say, 1822) Diplodonta punctata (p. 39 )
Diplodonta semiaspera Philippi, 1836 Diplodonta semiaspera (p. 39 )
Diplodonta sericata (Reeve, 1850) Diplodonta sericata (p. 39 )
Diplodonta soror Adams, 1852 Diplodonta soror (p. 39 )
Diplodonta subglobosa Adams, 1852 Diplodonta subglobosa (p. 39 )
Diplodonta venezuelensis Dunker, 1848 Diplodonta venezuelensis (p. 39 )
Diplodonta verrilli Dall, 1900 Diplodonta verrilli (p. 39 )
Diplothyra smithii Tryon, 1862 Diplothyra smithii (p. )
Dirona albolineata MacFarland, 1905 Dirona albolineata (p. 130, 284 )
Dirona aurantia Hurst, 1966 Dirona aurantia (p. 130 )
Dirona picta MacFarland, 1905 Dirona picta (p. 130, 284 )
Discodoris alba White, 1952 Discodoris alba (p. 128 )
Discodoris evelinae Marcus, 1955 Discodoris evelinae (p. 128 )
Discodoris mortenseni Marcus & Marcus, 1963 Discodoris mortenseni (p. 128, 283 )
Discodoris phoca Marcus & Marcus, 1967 Discodoris phoca (p. 128, 283 )
Discodoris purcina Marcus & Marcus, 1967 Discodoris purcina (p. 128 )
Disconaias salinasensis (Simpson, 1908) Disconaias salinasensis (p. 33 )
Discoteuthis discus Young & Roper, 1969 Discoteuthis discus (p. 162 )
Discoteuthis laciniosa Young & Roper, 1969 Discoteuthis laciniosa (p. 162 )
Discurria insessa (Hinds, 1842) Discurria insessa (p. )
Distorsio clathrata (Lamarck, 1816) Distorsio clathrata (p. )
Distorsio perdistorta Fulton, 1938 Distorsio perdistorta (p. )
Divalinga quadrisulcata (d'Orbigny, 1842) Divalinga quadrisulcata (p. 38 )
Divariscintilla cordiformis Mikkelsen & Bieler, 1992 Divariscintilla cordiformis (p. 40 )
Divariscintilla luteocrinita Mikkelsen & Bieler, 1992 Divariscintilla luteocrinita (p. 40 )
Divariscintilla octotentaculata Mikkelsen & Bieler, 1992 Divariscintilla octotentaculata (p. 40 )
Divariscintilla troglodytes Mikkelsen & Bieler, 1989 Divariscintilla troglodytes (p. 40 )
Divariscintilla yoyo Mikkelsen & Bieler, 1989 Divariscintilla yoyo (p. 40 )
Dolabrifera dolabrifera (Rang, 1828) Dolabrifera dolabrifera (p. 122 )
Dolicholatirus pauli (McGinty, 1955) Dolicholatirus pauli (p. )
Donax californicus Conrad, 1837 Donax californicus (p. 45 )
Donax fossor Say, 1822 Donax fossor (p. 45 )
Donax gouldii Dall, 1921 Donax gouldii (p. 45 )
Donax texasianus Philippi, 1847 Donax texasianus (p. 45 )
Donax variabilis Say, 1822 Donax variabilis (p. 45 )
Dondersia californicum Heath, 1911 Dondersia californicum (p. 19 )
Dondice occidentalis (Engel, 1925) Dondice occidentalis (p. 132 )
Doriopsilla albopunctata (Cooper, 1863) Doriopsilla albopunctata (p. 127, 282 )
Doris bicolor (Bergh, 1884) Siraius bicolor (p. 127, 282 )
Doris montereyensis Cooper, 1863 Archidoris montereyensis (p. 128 )
Doris odhneri (MacFarland, 1966) Archidoris odhneri (p. 128 )
Doris odonoghuei Steinberg, 1963 Doris odonoghuei (p. 127 )
Doris verrucosa Linnaeus, 1758 Doris verrucosa (p. 127, 282 )
Doryteuthis ocula (Cohen, 1976) Loligo ocula (p. 161 )
Doryteuthis opalescens (Berry, 1911) Loligo opalescens (p. 161 )
Doryteuthis pealeii (Lesueur, 1821) Loligo pealei (p. 161 )
Doryteuthis pleii (Blainville, 1823) Loligo pleii (p. 161 )
Doryteuthis roperi (Cohen, 1976) Loligo roperi (p. 161 )
Dosidicus gigas (D'Orbigny, 1835) Dosidicus gigas (p. 163 )
Dosinia discus (Reeve, 1850) Dosinia discus (p. )
Dosinia elegans (Conrad, 1843) Dosinia elegans (p. )
Doto amyra Marcus, 1961 Doto amyra (p. 130 )
Doto caramella Marcus, 1957 Doto caramella (p. 130, 283 )
Doto chica Marcus & Marcus, 1960 Doto chica (p. 130, 283 )
Doto columbiana O'Donoghue, 1921 Doto columbiana (p. 130 )
Doto coronata (Gmelin, 1791) Doto coronata (p. 130, 284 )
Doto divae Marcus & Marcus, 1960 Doto divae (p. 130, 284 )
Doto doerga Marcus & Marcus, 1963 Doto doerga (p. 130 )
Doto formosa Verrill, 1875 Doto formosa (p. 130 )
Doto kya Marcus, 1961 Doto kya (p. 130 )
Doto lancei Marcus & Marcus, 1967 Doto lancei (p. 130, 284 )
Doto pita Marcus, 1955 Doto pita (p. 130 )
Doto uva Marcus, 1955 Doto uva (p. 130 )
Dreissena bugensis Andrusov, 1897 Dreissena bugensis (p. )
Dreissena polymorpha (Pallas, 1771) Dreissena polymorpha (p. )
Drepanotrema aeruginosus (Morelet, 1851) Drepanotrema aeruginosus (p. 135 )
Drepanotrema cimex (Moricand, 1839) Drepanotrema cimex (p. 135 )
Drepanotrema kermatoides (d'Orbigny, 1835) Drepanotrema kermatoides (p. 135 )
Drillia acurugata Dall, 1890 Drillia acurugata (p. )
Dromus dromas (Lea, 1834) Dromus dromas (p. 33 )
Echinolittorina angustior (Morch, 1876) Nodilittorina angustior (p. )
Echinolittorina meleagris (Potiez & Michaud, 1838) Nodilittorina meleagris (p. )
Echinolittorina ziczac (Gmelin, 1791) Nodilittorina ziczac (p. )
Ecrobia truncata (Vanatta, 1924) Hydrobia truncata (p. )
Egea inermis Joubin, 1933 Egea inermis (p. 164 )
Egracina dentata (Wood, 1815) Divaricella dentata (p. 38 )
Elimia acuta (Lea, 1831) Elimia acuta (p. )
Elimia alabamensis (Lea, 1861) Elimia alabamensis (p. )
Elimia albanyensis (Lea, 1864) Elimia albanyensis (p. )
Elimia ampla (Anthony, 1854) Elimia ampla (p. )
Elimia annettae Goodrich, 1941 Elimia annettae (p. )
Elimia arachnoidea (Anthony, 1854) Elimia arachnoidea (p. )
Elimia aterina (Lea, 1863) Elimia aterina (p. )
Elimia athearni (Clench & Turner, 1956) Elimia athearni (p. )
Elimia bellacrenata (Haldeman, 1841) Elimia bellacrenata (p. )
Elimia bellula (Lea, 1861) Elimia bellula (p. )
Elimia bentoniensis (Lea, 1862) Elimia bentoniensis (p. )
Elimia boykiniana (Lea, 1840) Elimia boykiniana (p. )
Elimia brevis (Reeve, 1860) Elimia brevis (p. )
Elimia caelatura (Reeve, 1860) Elimia caelatura (p. )
Elimia cahawbensis (Lea, 1861) Elimia cahawbensis (p. )
Elimia capillaris (Lea, 1861) Elimia capillaris (p. )
Elimia carinifera (Lamarck, 1822) Elimia carinifera (p. )
Elimia catenaria (Say, 1822) Elimia catenaria (p. )
Elimia catenoides (Lea, 1842) Elimia catenoides (p. )
Elimia chiltonensis (Goodrich, 1941) Elimia chiltonensis (p. )
Elimia clara (Anthony, 1854) Elimia clara (p. )
Elimia clausa (Lea, 1861) Elimia clausa (p. )
Elimia clavaeformis (Lea, 1841) Elimia clavaeformis (p. )
Elimia clenchi (Goodrich, 1924) Elimia clenchi (p. )
Elimia comalensis (Pilsbry, 1890) Elimia comalensis (p. )
Elimia comma (Conrad, 1834) Elimia comma (p. )
Elimia costifera (Reeve, 1861) Elimia costifera (p. )
Elimia crenatella (Lea, 1860) Elimia crenatella (p. )
Elimia curreyana (Lea, 1841) Elimia curreyana (p. )
Elimia curvicostata (Reeve, 1861) Elimia curvicostata (p. )
Elimia cylindracea (Conrad, 1834) Elimia cylindracea (p. )
Elimia dickinsoni (Clench & Turner, 1956) Elimia dickinsoni (p. )
Elimia dislocata (Reeve, 1861) Elimia dislocata (p. )
Elimia ebenum (Lea, 1841) Elimia ebenum (p. )
Elimia edgariana (Lea, 1841) Elimia edgariana (p. )
Elimia fascinans (Lea, 1861) Elimia fascinans (p. )
Elimia flava (Lea, 1862) Elimia flava (p. )
Elimia floridensis (Reeve, 1860) Elimia floridensis (p. )
Elimia fusiformis (Lea, 1861) Elimia fusiformis (p. )
Elimia gerhardti (Lea, 1862) Elimia gerhardti (p. )
Elimia haysiana (Lea, 1843) Elimia haysiana (p. )
Elimia hydei (Conrad, 1834) Elimia hydei (p. )
Elimia impressa (Lea, 1841) Elimia impressa (p. )
Elimia inclinans (Lea, 1862) Elimia inclinans (p. )
Elimia interrupta (Haldeman, 1840) Elimia interrupta (p. )
Elimia interveniens (Lea, 1862) Elimia interveniens (p. )
Elimia jonesi (Goodrich, 1936) Elimia jonesi (p. )
Elimia laeta (Jay, 1839) Elimia laeta (p. )
Elimia laqueata (Say, 1829) Elimia laqueata (p. )
Elimia livescens (Menke, 1830) Elimia livescens (p. )
Elimia mutabilis (Lea, 1862) Elimia mutabilis (p. )
Elimia nassula (Conrad, 1834) Elimia nassula (p. )
Elimia olivula (Conrad, 1834) Elimia olivula (p. )
Elimia ornata (Lea, 1868) Elimia ornata (p. )
Elimia paupercula (Lea, 1862) Elimia paupercula (p. )
Elimia perstriata (Lea, 1852) Elimia perstriata (p. )
Elimia pilsbryi (Goodrich, 1927) Elimia pilsbryi (p. )
Elimia plicatastriata (Wetherby, 1876) Elimia plicatastriata (p. )
Elimia porrecta (Lea, 1863) Elimia porrecta (p. )
Elimia potosiensis (Lea, 1841) Elimia potosiensis (p. )
Elimia proxima (Say, 1825) Elimia proxima (p. )
Elimia pupaeformis (Lea, 1864) Elimia pupaeformis (p. )
Elimia pupoidea (Anthony, 1854) Elimia pupoidea (p. )
Elimia pybasi (Lea, 1862) Elimia pybasi (p. )
Elimia pygmaea (Smith, 1936) Elimia pygmaea (p. )
Elimia semicarinata (Say, 1829) Elimia semicarinata (p. )
Elimia showalteri (Lea, 1860) Elimia showalteri (p. )
Elimia simplex (Say, 1825) Elimia simplex (p. )
Elimia striatula (Lea, 1842) Elimia striatula (p. )
Elimia strigosa (Lea, 1841) Elimia strigosa (p. )
Elimia symmetrica (Haldeman, 1841) Elimia symmetrica (p. )
Elimia taitiana (Lea, 1841) Elimia taitiana (p. )
Elimia teres (Lea, 1841) Elimia teres (p. )
Elimia troostiana (Lea, 1838) Elimia troostiana (p. )
Elimia vanhyningiana (Goodrich, 1921) Elimia vanhyningiana (p. )
Elimia vanuxemiana (Lea, 1843) Elimia vanuxemiana (p. )
Elimia varians (Lea, 1861) Elimia varians (p. )
Elimia variata (Lea, 1861) Elimia variata (p. )
Elimia viennaensis (Lea, 1862) Elimia viennaensis (p. )
Elimia virginica (Say, 1817) Elimia virginica (p. )
Ellipsaria lineolata (Rafinesque, 1820) Ellipsaria lineolata (p. 33 )
Elliptio ahenea (Lea, 1843) Elliptio ahenea (p. 33 )
Elliptio angustata (Lea, 1831) Elliptio angustata (p. 33 )
Elliptio arca (Conrad, 1834) Elliptio arca (p. 33 )
Elliptio arctata (Conrad, 1834) Elliptio arctata (p. 33 )
Elliptio buckleyi (Lea, 1843) Elliptio buckleyi (p. 33 )
Elliptio chipolaensis (Walker, 1905) Elliptio chipolaensis (p. 33 )
Elliptio cistellaeformis (Lea, 1863) Elliptio cistellaeformis (p. 33 )
Elliptio complanata (Lightfoot, 1786) Elliptio complanata (p. 8 )
Elliptio congaraea (Lea, 1831) Elliptio congaraea (p. 33 )
Elliptio crassidens (Lamarck, 1819) Elliptio crassidens (p. 33 )
Elliptio dariensis (Lea, 1842) Elliptio dariensis (p. 33 )
Elliptio dilatata (Rafinesque, 1820) Elliptio dilatata (p. 33 )
Elliptio downiei (Lea, 1858) Elliptio downiei (p. 33 )
Elliptio errans (Lea, 1834) Elliptio errans (p. 32 )
Elliptio fisheriana (Lea, 1838) Elliptio fisheriana (p. 33 )
Elliptio folliculata (Lea, 1838) Elliptio folliculata (p. 33 )
Elliptio fraterna (Lea, 1852) Elliptio fraterna (p. 33 )
Elliptio hepatica (Lea, 1859) Elliptio hepatica (p. 33 )
Elliptio hopetonensis (Lea, 1838) Elliptio hopetonensis (p. 33 )
Elliptio icterina (Conrad, 1834) Elliptio icterina (p. 33 )
Elliptio jayensis (Lea, 1838) Elliptio jayensis (p. 33 )
Elliptio judithae Clarke, 1986 Elliptio judithae (p. 33 )
Elliptio lanceolata (Lea, 1828) Elliptio lanceolata (p. 33 )
Elliptio lugubris (Lea, 1834) Elliptio lugubris (p. 33 )
Elliptio marsupiobesa Fuller, 1972 Elliptio marsupiobesa (p. 33 )
Elliptio mcmichaeli Clench & Turner, 1956 Elliptio mcmichaeli (p. 33 )
Elliptio monichaeli (Lea, 1838) Elliptio monichaeli (p. 33 )
Elliptio monroensis (Lea, 1843) Elliptio monroensis (p. )
Elliptio nigella (Lea, 1852) Elliptio nigella (p. )
Elliptio producta (Conrad, 1836) Elliptio producta (p. 33 )
Elliptio raveneli (Conrad, 1834) Elliptio raveneli (p. 33 )
Elliptio roanokensis (Lea, 1838) Elliptio roanokensis (p. 33 )
Elliptio shepardiana (Lea, 1834) Elliptio shepardiana (p. 33 )
Elliptio spinosa (Lea, 1836) Elliptio spinosa (p. 33 )
Elliptio steinstansana Johnson & Clarke, 1983 Elliptio steinstansana (p. 33 )
Elliptio waccamawensis (Lea, 1863) Elliptio waccamawensis (p. 33 )
Elliptio waltoni (Wright, 1888) Elliptio waltoni (p. 33 )
Elliptoideus sloatianus (Lea, 1840) Elliptoideus sloatianus (p. 33 )
Ellobium dominicense (Férussac, 1821) Ellobium dominicense (p. 132, 286 )
Elysia canguzua Marcus, 1955 Elysia canguzua (p. 123 )
Elysia catulus (Gould, 1870) Elysia catulus (p. 123, 277 )
Elysia chlorotica Gould, 1870 Elysia chlorotica (p. 123, 277 )
Elysia cornigera Nuttall, 1989 Elysia cornigera (p. 123, 277 )
Elysia crispata Morch, 1863 Elysia crispata (p. 123, 277 )
Elysia evelinae Marcus, 1957 Elysia evelinae (p. 123 )
Elysia hedgpethi Marcus, 1961 Elysia hedgpethi (p. 123 )
Elysia marcusi (Marcus, 1972) Bosellia marcusi (p. 123, 277 )
Elysia ornata (Swainson, 1840) Elysia ornata (p. 123 )
Elysia papillosa Verrill, 1901 Elysia papillosa (p. 123 )
Elysia patina Marcus, 1980 Elysia patina (p. 123 )
Elysia serca Marcus, 1955 Elysia serca (p. 123 )
Elysia subornata Verrill, 1901 Elysia subornata (p. 123 )
Elysia velutinus Pruvot-Fol, 1947 Elysia tuca (p. 123 )
Emarcusia morroensis Roller, 1972 Emarcusia morroensis (p. 132 )
Emarginula dentigera Heilprin, 1889 Emarginula dentigera (p. )
Emarginula nordica Perez Farfante, 1947 Emarginula nordica (p. )
Emarginula phrixodes Dall, 1927 Emarginula phrixodes (p. )
Emarginula pumila (Adams, 1852) Emarginula pumila (p. )
Emarginula sicula Gray, 1825 Emarginula sicula (p. )
Emarginula tuberculosa Libassi, 1859 Emarginula tuberculosa (p. )
Enaeta cylleniformis (Sowerby I, 1844) Enaeta cylleniformis (p. )
Engina turbinella (Kiener, 1835) Engina turbinella (p. )
Ennucula linki (Dall, 1916) Ennucula linki (p. 25 )
Ennucula tenuis (Montagu, 1808) Ennucula tenuis (p. 25 )
Enoploteuthis anapsis Roper, 1964 Enoploteuthis anapsis (p. 162 )
Enoploteuthis leptura (Leach, 1817) Enoploteuthis leptura (p. 162 )
Ensis directus Conrad, 1843 Ensis directus (p. 43 )
Ensis minor Dall, 1900 Ensis minor (p. 43 )
Ensis myrae Berry, 1953 Ensis myrae (p. 43 )
Ensitellops protexta (Conrad, 1841) Ensitellops protexta (p. 41 )
Enteroctopus dofleini (Wülker, 1910) Octopus dofleini (p. 165 )
Entodesma beana (d'Orbigny, 1842) Entodesma beana (p. )
Entodesma navicula (Adams & Reeve, 1850) Entodesma navicula (p. )
Entodesma pictum (Sowerby I, 1834) Entodesma pictum (p. )
Eogonatus tinro (Nesis, 1972) Eogonatus tinro (p. 162 )
Epilucina californica (Conrad, 1837) Epilucina californica (p. 38 )
Epioblasma arcaeformis (Lea, 1831) Epioblasma arcaeformis (p. )
Epioblasma biemarginata (Lea, 1857) Epioblasma biemarginata (p. )
Epioblasma brevidens (Lea, 1831) Epioblasma brevidens (p. 33 )
Epioblasma capsaeformis (Lea, 1834) Epioblasma capsaeformis (p. 33 )
Epioblasma flexuosa (Rafinesque, 1820) Epioblasma flexuosa (p. )
Epioblasma florentina (Lea, 1857) Epioblasma florentina (p. 33 )
Epioblasma haysiana (Lea, 1834) Epioblasma haysiana (p. )
Epioblasma lenior (Lea, 1842) Epioblasma lenior (p. )
Epioblasma lewisii (Walker, 1910) Epioblasma lewisii (p. )
Epioblasma metastriata (Conrad, 1838) Epioblasma metastriata (p. 34 )
Epioblasma othcaloogensis (Lea, 1857) Epioblasma othcaloogensis (p. 34 )
Epioblasma penita (Conrad, 1834) Epioblasma penita (p. 34 )
Epioblasma personata (Say, 1829) Epioblasma personata (p. )
Epioblasma propinqua (Lea, 1857) Epioblasma propinqua (p. )
Epioblasma sampsonii (Lea, 1861) Epioblasma sampsonii (p. )
Epioblasma stewardsonii (Lea, 1852) Epioblasma stewardsonii (p. )
Epioblasma triquetra (Rafinesque, 1820) Epioblasma triquetra (p. 34 )
Epioblasma turgidula (Lea, 1858) Epioblasma turgidula (p. )
Episcynia inornata (d'Orbigny, 1842) Episcynia inornata (p. )
Episiphon didymum (Watson, 1879) Episiphon didymus (p. 54 )
Episiphon sowerbyi (Guilding, 1834) Episiphon sowerbyi (p. 54 )
Epitonium albidum (d'Orbigny, 1842) Epitonium albidum (p. )
Epitonium angulatum (Say, 1830) Epitonium angulatum (p. )
Epitonium apiculatum (Dall, 1889) Epitonium apiculatum (p. )
Epitonium denticulatum (Sowerby II, 1844) Epitonium denticulatum (p. )
Epitonium fractum Dall, 1927 Epitonium fractum (p. )
Epitonium lamellosum (Lamarck, 1822) Epitonium lamellosum (p. )
Epitonium multistriatum (Say, 1826) Epitonium multistriatum (p. )
Epitonium novangliae (Couthouy, 1838) Epitonium novangliae (p. )
Epitonium occidentale (Nyst, 1871) Epitonium occidentale (p. )
Epitonium rupicola (Kurtz, 1860) Epitonium rupicola (p. )
Epitonium sericifila (Dall, 1889) Epitonium sericifilum (p. )
Epitonium striatissimum (di Monterosato, 1878) Epitonium striatissimum (p. )
Epitonium unifasciatum (Sowerby II, 1844) Epitonium unifasciatum (p. )
Eratoidea hematita (Kiener, 1834) Eratoidea hematita (p. )
Ercolania boodleae (Baba, 1938) Ercolania boodleae (p. 124, 278 )
Ercolania coerulea Trinchese, 1893 Ercolania coerulea (p. 124, 278 )
Ercolania funerea (Costa, 1867) Ercolania funerea (p. 124 )
Ercolania fuscata (Gould, 1870) Ercolania fuscata (p. 124 )
Erginus apicinus (Dall, 1879) Erginus apicinus (p. )
Erginus rubellus (Fabricius, 1780) Erginus rubellus (p. )
Erginus sybariticus (Dall, 1871) Erginus sybariticus (p. )
Ersilia stancyki Waren, 1980 Ersilia stancyki (p. )
Ervilia concentrica (Holmes, 1860) Ervilia concentrica (p. 45 )
Ervilia nitens (Montagu, 1808) Ervilia nitens (p. 45 )
Ervilia subcancellata Smith, 1885 Ervilia subcancellata (p. 45 )
Erycina emmonsi Dall, 1899 Erycina emmonsi (p. 40 )
Erycina linella Dall, 1899 Erycina linella (p. 40 )
Erycina periscopiana Dall, 1899 Erycina periscopiana (p. 40 )
Eubranchus coniclus (Marcus, 1958) Eubranchus coniclus (p. 131, 285 )
Eubranchus exiguus (Alder & Hancock, 1848) Eubranchus exiguus (p. 131 )
Eubranchus misakiensis Baba, 1960 Eubranchus misakiensis (p. 131, 285 )
Eubranchus olivaceus (O'Donoghue, 1922) Eubranchus olivaceus (p. 131 )
Eubranchus pallidus (Alder & Hancock, 1842) Eubranchus pallidus (p. 131 )
Eubranchus rustyus (Marcus, 1961) Eubranchus rustyus (p. 131 )
Eubranchus sanjuanensis Roller, 1972 Eubranchus sanjuanensis (p. 131, 285 )
Eubranchus steinbecki Behrens, 1987 Eubranchus steinbecki (p. 131, 285 )
Eubranchus tricolor Forbes, 1838 Eubranchus tricolor (p. 131, 285 )
Euchelus guttarosea Dall, 1889 Euchelus guttarosea (p. )
Eucleoteuthis luminosa (Sasaki, 1915) Eucleoteuthis luminosa (p. 163 )
Eucrassatella fluctuata (Carpenter, 1864) Eucrassatella fluctuata (p. 42 )
Eucrassatella speciosa (Adams, 1854) Eucrassatella speciosa (p. 42 )
Eudolium crosseanum (di Monterosato, 1869) Eudolium crosseanum (p. )
Eulima alaskensis (Bartsch, 1917) Eulima alaskensis (p. )
Eulima auricincta (Abbott, 1958) Eulima auricincta (p. )
Eulima bifasciata D'Orbigny, 1842 Eulima bifasciata (p. )
Eulima fulvocincta Adams, 1850 Eulima fulvocincta (p. )
Eulima patula Dall & Simpson, 1901 Eulima patula (p. )
Eulima raymondi Rivers, 1904 Eulima raymondi (p. )
Eulimostraca subcarinata (d'Orbigny, 1842) Eulimostraca subcarinata (p. )
Eulithidium bellum (Smith, 1937) Eulithidium bellum (p. )
Eulithidium comptum (Gould, 1855) Eulithidium comptum (p. )
Eulithidium pterocladicum (Robertson, 1958) Eulithidium pterocladicum (p. )
Eulithidium pulloide (Carpenter, 1864) Eulithidium pulloide (p. )
Eulithidium rubrilineatum (Strong, 1928) Eulithidium rubrilineatum (p. )
Eulithidium substriatum (Carpenter, 1864) Eulithidium substriatum (p. )
Eulithidium thalassicola (Robertson, 1958) Eulithidium thalassicola (p. )
Eupera cubensis (Prime, 1865) Eupera cubensis (p. )
Eupleura caudata (Say, 1822) Eupleura caudata (p. )
Eupleura sulcidentata Dall, 1890 Eupleura sulcidentata (p. )
Euspira heros (Say, 1822) Euspira heros (p. )
Euspira immaculata (Totten, 1835) Euspira immaculata (p. )
Euspira levicula (Verrill, 1880) Euspira levicula (p. )
Euspira pallida (Broderip & Sowerby I, 1829) Euspira pallida (p. )
Euspira tenuis (Récluz, 1850) Euspira tenuis (p. )
Euspira triseriata (Say, 1826) Euspira triseriata (p. )
Euvola diegensis (Dall, 1898) Euvola diegensis (p. 30 )
Euvola raveneli (Dall, 1898) Euvola raveneli (p. 30 )
Euvola vogdesi (Arnold, 1906) Euvola vogdesi (p. 30 )
Euvola ziczac (Linnaeus, 1758) Euvola ziczac (p. 30 )
Fabella pilsbryi (Dall, 1899) Fabella pilsbryi (p. 41 )
Facelina bostoniensis (Couthouy, 1838) Facelina bostoniensis (p. 132 )
Facelina stearnsi Cockerell, 1901 Facelina stearnsi (p. 132, 286 )
Falcidens hartmanae (Schwabl, 1961) Falcidens hartmanae (p. 19 )
Falcidens longus Scheltema, 1997 Falcidens longus (p. 19 )
Falcidens macracanthus Scheltema, 1997 Falcidens macracanthus (p. 19 )
Fargoa dianthophila (Wells & Wells, 1961) Fargoa dianthophila (p. )
Fasciolaria bullisi Lyons, 1972 Fasciolaria bullisi (p. )
Fasciolaria tulipa (Linnaeus, 1758) Fasciolaria tulipa (p. )
Favartia alveata (Kiener, 1842) Favartia alveata (p. )
Favartia cellulosa (Conrad, 1846) Favartia cellulosa (p. )
Favartia minirosea (Abbott, 1954) Favartia minirosea (p. )
Favorinus auritulus Marcus, 1955 Favorinus auritulus (p. 132 )
Felimare bayeri Marcus & Marcus, 1967 Hypselodoris bayeri (p. 127, 282 )
Felimare kempfi (Marcus, 1971) Chromodoris kempfi (p. 127, 282 )
Felimare nyalya (Marcus & Marcus, 1967) Chromodoris nyalya (p. 127 )
Felimare picta (Philippi, 1836) Hypselodoris webbi (p. 127, 282 )
Felimida binza (Marcus & Marcus, 1963) Chromodoris binza (p. 127, 282 )
Felimida punctilucens (Bergh, 1890) Chromodoris punctilucens (p. 127, 282 )
Ferrissia fragilis (Tryon, 1863) Ferrissia fragilis (p. 136 )
Ferrissia hendersoni (Walker, 1908) Ferrissia hendersoni (p. 136 )
Ferrissia mcneili Walker, 1925 Ferrissia mcneili (p. 136 )
Ferrissia parallelus (Haldeman, 1841) Ferrissia parallelus (p. 136 )
Ferrissia rivularis (Say, 1817) Ferrissia rivularis (p. 136 )
Ferrissia walkeri (Pilsbry & Ferriss, 1907) Ferrissia walkeri (p. 136 )
Ficus ficus (Linnaeus, 1758) Ficus communis (p. )
Finella barbarensis (Bartsch, 1911) Finella barbarensis (p. )
Finella californica (Dall & Bartsch, 1901) Finella californica (p. )
Finella tenuisculpta (Carpenter, 1864) Finella tenuisculpta (p. )
Fiona pinnata (Eschscholtz, 1831) Fiona pinnata (p. 131, 286 )
Fisherola nuttalli (Haldeman, 1841) Fisherola nuttalli (p. 133 )
Fissidentalium carduus (Dall, 1889) Fissidentalium floridense (p. 54 )
Fissurella angusta (Gmelin, 1791) Fissurella angusta (p. )
Fissurella barbadensis (Gmelin, 1791) Fissurella barbadensis (p. )
Fissurella fascicularis Lamarck, 1822 Fissurella fascicularis (p. )
Fissurella nodosa (Born, 1778) Fissurella nodosa (p. )
Fissurella punctata Fischer, 1857 Fissurella punctata (p. )
Fissurella rosea (Gmelin, 1791) Fissurella rosea (p. )
Fissurella volcano Reeve, 1849 Fissurella volcano (p. )
Fissurellidea bimaculata Dall, 1871 Fissurellidea bimaculata (p. )
Flabellina cooperi (Cockerell, 1901) Flabellina cooperi (p. 130, 284 )
Flabellina engeli Marcus & Marcus, 1968 Flabellina engeli (p. 130, 284 )
Flabellina gracilis (Alder & Hancock, 1844) Flabellina gracilis (p. 130, 284 )
Flabellina iodinea (Cooper, 1863) Flabellina iodinea (p. 130, 284 )
Flabellina nobilis (Verrill, 1880) Flabellina nobilis (p. 130, 284 )
Flabellina pellucida (Alder & Hancock, 1843) Flabellina pellucida (p. 130, 284 )
Flabellina pricei (MacFarland, 1966) Flabellina pricei (p. 130, 284 )
Flabellina salmonacea (Couthouy, 1838) Flabellina salmonacea (p. 130, 284 )
Flabellina subrosacea (Eschscholtz, 1831) Flabellina subrosacea (p. 130, 284 )
Flabellina trilineata (O'Donoghue, 1921) Flabellina trilineata (p. 130, 284 )
Flabellina trophina (Bergh, 1894) Flabellina trophina (p. 130, 284-285 )
Flabellina verrucosa (Sars, 1829) Flabellina verrucosa (p. 130, 285 )
Fluminicola coloradoensis Morrison, 1940 Fluminicola coloradoensis (p. )
Fluminicola dalli (Call, 1884) Fluminicola dalli (p. )
Fluminicola fuscus (Haldeman, 1847) Fluminicola fuscus (p. )
Fluminicola minutissimus Pilsbry, 1907 Fluminicola minutissimus (p. )
Fluminicola modoci Hannibal, 1912 Fluminicola modoci (p. )
Fluminicola seminalis (Hinds, 1842) Fluminicola seminalis (p. )
Fluminicola turbiniformis (Tryon, 1865) Fluminicola turbiniformis (p. )
Fluminicola virens (Lea, 1838) Fluminicola virens (p. )
Fontigens aldrichi (Call & Beecher, 1886) Fontigens aldrichi (p. )
Fontigens cryptica Hubricht, 1963 Fontigens cryptica (p. )
Fontigens nickliniana (Lea, 1838) Fontigens nickliniana (p. )
Fontigens orolibas Hubricht, 1957 Fontigens orolibas (p. )
Fontigens proserpina (Hubricht, 1940) Fontigens proserpina (p. )
Fontigens tartarea Hubricht, 1963 Fontigens tartarea (p. )
Fontigens turritella Hubricht, 1976 Fontigens turritella (p. )
Fossaria alberta Baker, 1919 Fossaria alberta (p. 133 )
Fossaria bulimoides (Lea, 1841) Fossaria bulimoides (p. 133 )
Fossaria cockerelli Pilsbry & Ferriss, 1906 Fossaria cockerelli (p. 133 )
Fossaria cubensis (Pfeiffer, 1839) Fossaria cubensis (p. 133 )
Fossaria cyclostoma (Walker, 1808) Fossaria cyclostoma (p. 133 )
Fossaria dalli (Baker, 1907) Fossaria dalli (p. 133 )
Fossaria exigua (Lea, 1841) Fossaria exigua (p. 133 )
Fossaria galbana (Say, 1825) Fossaria galbana (p. 133 )
Fossaria hendersoni Baker, 1909 Fossaria hendersoni (p. 133 )
Fossaria humilis (Say, 1822) Fossaria humilis (p. 133 )
Fossaria modicella (Say, 1825) Fossaria modicella (p. 133 )
Fossaria obrussa (Say, 1825) Fossaria obrussa (p. 133 )
Fossaria parva (Lea, 1841) Fossaria parva (p. 133 )
Fossaria peninsulae (Walker, 1908) Fossaria peninsulae (p. 133 )
Fossaria perplexa Baker & Henderson, 1929 Fossaria perplexa (p. 133 )
Fossaria perpolita (Dall, 1905) Fossaria perpolita (p. 133 )
Fossaria rustica (Lea, 1841) Fossaria rustica (p. 133 )
Fossaria sonomaensis Hemphill, 1906 Fossaria sonomaensis (p. 133 )
Fossaria tazewelliana (Wolf, 1869) Fossaria tazewelliana (p. 133 )
Fossaria techella (Haldeman, 1867) Fossaria techella (p. 133 )
Fossaria truncatula (Müller, 1774) Fossaria truncatula (p. 133 )
Fossaria vancouverensis Baker, 1939 Fossaria vancouverensis (p. 133 )
Fossarus bellus Dall, 1889 Fossarus bellus (p. )
Fossarus compactus Dall, 1889 Fossarus compactus (p. )
Fossarus elegans Verrill & Smith, 1882 Fossarus elegans (p. )
Frigidoalvania janmayeni (Friele, 1878) Frigidoalvania janmayeni (p. )
Frigidoalvania pelagica (Stimpson, 1851) Frigidoalvania pelagica (p. )
Fusconaia askewi (Marsh, 1896) Fusconaia askewi (p. 34 )
Fusconaia barnesiana (Lea, 1838) Fusconaia barnesiana (p. 34 )
Fusconaia cerina (Conrad, 1838) Fusconaia cerina (p. 34 )
Fusconaia cor (Conrad, 1834) Fusconaia cor (p. 34 )
Fusconaia cuneolus (Lea, 1840) Fusconaia cuneolus (p. 34 )
Fusconaia ebena (Lea, 1831) Fusconaia ebena (p. 34 )
Fusconaia escambia Clench & Turner, 1956 Fusconaia escambia (p. 34 )
Fusconaia flava (Rafinesque, 1820) Fusconaia flava (p. 34 )
Fusconaia lananensis (Frierson, 1901) Fusconaia lananensis (p. 34 )
Fusconaia masoni (Conrad, 1834) Fusconaia masoni (p. 34 )
Fusconaia ozarkensis (Call, 1887) Fusconaia ozarkensis (p. 34 )
Fusconaia subrotunda (Lea, 1831) Fusconaia subrotunda (p. 34 )
Fusconaia succissa (Lea, 1852) Fusconaia succissa (p. 34 )
Fusinus aepynotus (Dall, 1889) Fusinus aepynotus (p. )
Fusinus alcimus (Dall, 1889) Fusinus alcimus (p. )
Fusinus amphiurgus (Dall, 1889) Fusinus amphiurgus (p. )
Fusinus barbarensis (Trask, 1855) Fusinus barbarensis (p. )
Fusinus benthalis (Dall, 1889) Fusinus benthalis (p. )
Fusinus couei (Petit de la Saussaye, 1853) Fusinus couei (p. )
Fusinus eucosmius (Dall, 1889) Fusinus eucosmius (p. )
Fusinus helenae Bartsch, 1939 Fusinus helenae (p. )
Fusinus luteopictus (Dall, 1877) Fusinus luteopictus (p. )
Fusinus stegeri Lyons, 1978 Fusinus stegeri (p. )
Fusitriton oregonensis (Redfield, 1848) Fusitriton oregonensis (p. )
Fustiaria stenoschiza (Pilsbry & Sharp, 1897) Fustiaria stenoschizum (p. 54 )
Gadila aberrans (Whiteaves, 1887) Cadulus aberrans (p. 55 )
Gadila agassizii (Dall, 1881) Polyschides agassizii (p. 55 )
Gadila mayori (Henderson, 1920) Gadila mayori (p. 55 )
Gadila pandionis (Verrill & Smith, 1880) Polyschides pandionis (p. )
Gadila tolmiei (Dall, 1897) Polyschides tolmiei (p. 55 )
Galiteuthis armata Joubin, 1898 Galiteuthis armata (p. 164 )
Galiteuthis pacifica (Robson, 1948) Galiteuthis pacifica (p. 164 )
Galiteuthis phyllura Berry, 1911 Galiteuthis phyllura (p. 164 )
Gari californica (Conrad, 1849) Gari californica (p. 45 )
Gari fucata (Hinds, 1845) Gari fucata (p. 45 )
Gastrochaena hians (Gmelin, 1791) Gastrochaena hians (p. )
Gastrochaena ovata Sowerby I, 1834 Gastrochaena ovata (p. )
Gastropteron chacmol Gosliner, 1989 Gastropteron chacmol (p. 119 )
Gastropteron pacificum Bergh, 1893 Gastropteron pacificum (p. 119, 274 )
Gastropteron vespertilium Gosliner & Armes, 1984 Gastropteron vespertilium (p. 119 )
Gaza superba (Dall, 1881) Gaza superba (p. )
Geitodoris complanata (Verrill, 1880) Geitodoris complanata (p. 128 )
Geitodoris heathi (MacFarland, 1905) Discodoris heathi (p. 128, 283 )
Geitodoris immunda Bergh, 1894 Geitodoris immunda (p. 128, 283 )
Geitodoris pusae (Marcus, 1955) Geitodoris pusae (p. 128, 283 )
Gemma gemma (Totten, 1834) Gemma gemma (p. )
Gemmula periscelida (Dall, 1889) Gemmula periscelida (p. )
Genitoconia mariensis Scheltema, 1997 Genitoconia mariensis (p. 19 )
Genitoconia minuta Scheltema, 1997 Genitoconia minuta (p. 20 )
Gerdiella corbicula (Dall, 1908) Gerdiella corbicula (p. )
Geukensia demissa (Dillwyn, 1817) Geukensia demissa (p. 27 )
Geukensia granosissima (Sowerby III, 1914) Geukensia granosissima (p. 27 )
Gibberula catenata (Montagu, 1803) Persicula catenata (p. )
Gibberula lavalleeana (d'Orbigny, 1842) Gibberula lavalleeana (p. )
Gibberula subtrigona (Carpenter, 1864) Gibberula subtrigona (p. )
Gillia altilis (Lea, 1841) Gillia altilis (p. )
Glans carpenteri (Lamy, 1922) Glans carpenteri (p. 41 )
Glans dominguensis (d'Orbigny, 1842) Glans dominguensis (p. 41 )
Glaucus atlanticus Forster, 1777 Glaucus atlanticus (p. 132 )
Gleba cordata Niebuhr, 1776 Gleba cordata (p. 121, 276 )
Glebula rotundata (Lamarck, 1819) Glebula rotundata (p. 34 )
Globivenus callimorpha (Dall, 1902) Globivenus callimorpha (p. )
Globivenus fordi (Yates, 1890) Globivenus fordi (p. )
Globivenus rigida (Dillwyn, 1817) Globivenus rigida (p. )
Globivenus rugatina (Heilprin, 1886) Globivenus rugatina (p. )
Glossocardia agassizii (Dall, 1889) Glossocardia agassizii (p. 46 )
Glossodoris sedna (Marcus & Marcus, 1967) Glossodoris sedna (p. 127 )
Glycymeris americana (DeFrance, 1829) Glycymeris americana (p. 28 )
Glycymeris decussata (Linnaeus, 1758) Glycymeris decussata (p. 28 )
Glycymeris keenae Willett, 1944 Glycymeris keenae (p. 28 )
Glycymeris pectinata (Gmelin, 1791) Glycymeris pectinata (p. 28 )
Glycymeris septentrionalis (Middendorff, 1849) Glycymeris septentrionalis (p. 28 )
Glycymeris spectralis Nicol, 1952 Glycymeris spectralis (p. 28 )
Glycymeris undata (Linnaeus, 1758) Glycymeris undata (p. 28 )
Glyphyalinia carolinensis (Cockerell, 1890) Glyphyalinia carolinensis (p. )
Glyphyalinia clingmani (Dall, 1890) Glyphyalinia clingmani (p. )
Glyphyalinia cryptomphala (Clapp, 1915) Glyphyalinia cryptomphala (p. )
Glyphyalinia cumberlandiana (Clapp, 1919) Glyphyalinia cumberlandiana (p. )
Glyphyalinia floridana (Morrison, 1937) Glyphyalinia floridana (p. )
Glyphyalinia indentata (Say, 1823) Glyphyalinia indentata (p. )
Glyphyalinia junaluskana (Clench & Banks, 1932) Glyphyalinia junaluskana (p. )
Glyphyalinia latebricola Hubricht, 1968 Glyphyalinia latebricola (p. )
Glyphyalinia lewisiana (Clapp, 1908) Glyphyalinia lewisiana (p. )
Glyphyalinia luticola Hubricht, 1966 Glyphyalinia luticola (p. )
Glyphyalinia ocoae Hubricht, 1978 Glyphyalinia ocoae (p. )
Glyphyalinia pecki Hubricht, 1966 Glyphyalinia pecki (p. )
Glyphyalinia pentadelphia (Pilsbry, 1900) Glyphyalinia pentadelphia (p. )
Glyphyalinia picea Hubricht, 1976 Glyphyalinia picea (p. )
Glyphyalinia praecox (Baker, 1930) Glyphyalinia praecox (p. )
Glyphyalinia raderi (Dall, 1898) Glyphyalinia raderi (p. )
Glyphyalinia rhoadsi (Pilsbry, 1899) Glyphyalinia rhoadsi (p. )
Glyphyalinia rimula Hubricht, 1968 Glyphyalinia rimula (p. )
Glyphyalinia roemeri (Pilsbry & Ferriss, 1906) Glyphyalinia roemeri (p. )
Glyphyalinia sculptilis (Bland, 1858) Glyphyalinia sculptilis (p. )
Glyphyalinia specus Hubricht, 1965 Glyphyalinia specus (p. )
Glyphyalinia umbilicata (Cockerell, 1893) Glyphyalinia umbilicata (p. )
Glyphyalinia vanattai (Pilsbry & Walker, 1902) Glyphyalinia vanattai (p. )
Glyphyalinia virginica (Morrison, 1937) Glyphyalinia virginica (p. )
Glyphyalinia wheatleyi (Bland, 1883) Glyphyalinia wheatleyi (p. )
Godiva rubrolineata Edmunds, 1964 Godiva rubrolineata (p. 132 )
Gonatopsis borealis Sasaki, 1923 Gonatopsis borealis (p. 162 )
Gonatopsis makko Okutani & Nemoto, 1964 Gonatopsis makko (p. 162 )
Gonatus berryi Naef, 1923 Gonatus berryi (p. 162 )
Gonatus californiensis Young, 1972 Gonatus californiensis (p. 162 )
Gonatus fabricii (Lichtenstein, 1818) Gonatus fabricii (p. 162 )
Gonatus madokai Kubodera & Okutani, 1977 Gonatus madokai (p. 162 )
Gonatus onyx Young, 1972 Gonatus onyx (p. 162 )
Gonatus oregonensis Jefferts, 1985 Gonatus oregonensis (p. 162 )
Gonatus pyros Young, 1972 Gonatus pyros (p. 162 )
Gonatus steenstrupi Kristensen, 1981 Gonatus steenstrupi (p. 162 )
Gonatus ursabrunae Jefferts, 1985 Gonatus ursabrunae (p. 162 )
Gonidea angulata (Lea, 1838) Gonidea angulata (p. 34 )
Gouldia cerina (Adams, 1845) Gouldia cerina (p. )
Grandicrepidula grandis (Middendorff, 1849) Crepidula grandis (p. )
Granulina margaritula (Carpenter, 1857) Granulina margaritula (p. )
Graptacme calamus (Dall, 1889) Graptacme calamus (p. 54 )
Graptacme eborea (Conrad, 1846) Graptacme eborea (p. 54 )
Graptacme inversa (Deshayes, 1826) Graptacme inversa (p. 54 )
Graptacme semipolita (Broderip & Sowerby I, 1829) Graptacme semipolita (p. 54 )
Graptacme semistriolata (Guilding, 1834) Graptacme semistriolata (p. 54 )
Gregariella chenui (Recluz, 1842) Gregariella chenui (p. 27 )
Gregariella coarctata (Carpenter, 1856) Gregariella coarctata (p. 27 )
Gregariella coralliophaga (Gmelin, 1791) Gregariella coralliophaga (p. 27 )
Grimalditeuthis bonplandii (Vérany, 1839) Grimalditeuthis bonplandi (p. 164 )
Grippina californica Dall, 1912 Grippina californica (p. )
Gyraulus circumstriatus (Tryon, 1866) Gyraulus circumstriatus (p. 135 )
Gyraulus deflectus (Say, 1824) Gyraulus deflectus (p. 135 )
Gyraulus hornensis Baker, 1934 Gyraulus hornensis (p. 135 )
Gyraulus parvus (Say, 1817) Gyraulus parvus (p. 135 )
Gyrotoma excisa (Lea, 1843) Gyrotoma excisa (p. )
Gyrotoma lewisii (Lea, 1869) Gyrotoma lewisii (p. )
Gyrotoma pagoda (Lea, 1845) Gyrotoma pagoda (p. )
Gyrotoma pumila (Lea, 1860) Gyrotoma pumila (p. )
Gyrotoma pyramidata (Shuttleworth, 1845) Gyrotoma pyramidata (p. )
Gyrotoma walkeri (Smith, 1924) Gyrotoma walkeri (p. )
Habevolutopsius attenuatus (Dall, 1874) Habevolutopsius attenuatus (p. )
Halicardia flexuosa (Verrill & Smith, 1881) Halicardia flexuosa (p. )
Haliotinella patinaria (Guppy, 1876) Haliotinella patinaria (p. )
Haliotis assimilis Dall, 1878 Haliotis assimilis (p. )
Haliotis corrugata Wood, 1828 Haliotis corrugata (p. )
Haliotis cracherodii Leach, 1814 Haliotis cracherodii (p. )
Haliotis fulgens Philippi, 1845 Haliotis fulgens (p. )
Haliotis kamtschatkana Jonas, 1845 Haliotis kamtschatkana (p. )
Haliotis rufescens Swainson, 1822 Haliotis rufescens (p. )
Haliotis sorenseni Bartsch, 1940 Haliotis sorenseni (p. )
Haliphron atlanticus Steenstrup, 1861 Haliphron atlanticus (p. 166 )
Haliris aequacostata (Howard, 1950) Haliris aequacostata (p. )
Haliris fischeriana (Dall, 1881) Haliris fischeriana (p. )
Haliris granulata (Seguenza, 1860) Verticordia granulata (p. )
Halistrepta sulcata (Dall, 1904) Halistrepta sulcata (p. )
Halistylus pupoideus (Carpenter, 1864) Halistylus pupoideus (p. )
Hallaxa chani Gosliner & Williams, 1975 Hallaxa chani (p. 127 )
Haloconcha minor Dall, 1919 Haloconcha minor (p. )
Halodakra salmonea (Carpenter, 1864) Halodakra salmonea (p. 46 )
Haminoea antillarum (d'Orbigny, 1841) Haminoea antillarum (p. 119 )
Haminoea callidegenita Gibson & Chia, 1989 Haminoea callidegenita (p. 120 )
Haminoea elegans (Gray, 1825) Haminoea elegans (p. 120 )
Haminoea petitii (d'Orbigny, 1841) Haminoea petitii (p. 120 )
Haminoea solitaria (Say, 1822) Haminoea solitaria (p. 120 )
Haminoea succinea (Conrad, 1846) Haminoea succinea (p. 120 )
Haminoea taylorae Petuch, 1987 Haminoea taylorae (p. 120 )
Haminoea vesicula (Gould, 1855) Haminoea vesicula (p. 120 )
Haminoea virescens (Sowerby II, 1833) Haminoea virescens (p. 120 )
Hancockia californica MacFarland, 1923 Hancockia californica (p. 129 )
Hanleya hanleyi (Bean, 1844) Hanleya hanleyi (p. )
Hastula cinerea (Born, 1778) Hastula cinerea (p. )
Hastula hastata (Gmelin, 1791) Hastula hastata (p. )
Haustellum bellegladeense (Vokes, 1963) Haustellum bellegladeense (p. )
Haustellum rubidum (Baker, 1897) Haustellum rubidum (p. )
Hawaiia alachuana (Dall, 1885) Hawaiia alachuana (p. )
Hawaiia minuscula (Binney, 1841) Hawaiia minuscula (p. )
Hawaiia neomexicana (Cockerell & Pilsbry, 1900) Hawaiia neomexicana (p. )
Hebetancylus excentricus (Morelet, 1851) Hebetoncylus excentricus (p. 136 )
Hedylopsis riseri Morse, 1976 Hedylopsis riseri (p. 120, 275 )
Heilprinia timessa (Dall, 1889) Heilprinia timessa (p. )
Heliacus bisulcatus (d'Orbigny, 1842) Heliacus bisulcatus (p. )
Heliacus cylindricus (Gmelin, 1791) Heliacus cylindricus (p. )
Helicina clappi Pilsbry, 1909 Helicina clappi (p. )
Helicocranchia papillata (Voss, 1960) Helicocranchia papillata (p. 164 )
Helicocranchia pfefferi Massy, 1907 Helicocranchia pfefferi (p. 164 )
Helisoma anceps (Menke, 1830) Helisoma anceps (p. 135 )
Helisoma newberryi (Lea, 1858) Helisoma newberryi (p. 135 )
Helminthope psammobionta Salvini-Plawen, 1991 Helminthope psammobionta (p. 120, 275 )
Hemistena lata (Rafinesque, 1820) Hemistena lata (p. 34 )
Hemitoma emarginata (de Blainville, 1825) Hemitoma emarginata (p. )
Hemitoma octoradiata (Gmelin, 1791) Hemitoma octoradiata (p. )
Hendersonia occulta (Say, 1831) Hendersonia occulta (p. )
Here excavata (Carpenter, 1857) Here excavata (p. 38 )
Hermaea cruciata Gould, 1870 Hermaea cruciata (p. 124 )
Hermaea dendritica (Alder & Hancock, 1843) Hermaea dendritica (p. 124, 278 )
Hermaea kingstoni (Thompson, 1977) Hermaea kingstoni (p. 124, 278 )
Hermaea oliviae (MacFarland, 1966) Aplysiopsis olivae (p. 124, 278 )
Hermaea vancouverensis O'Donoghue, 1924 Hermaea vancouverensis (p. 124, 278 )
Hermaea verticilata (Ortea, 1984) Hermaea verticilata (p. 124, 278 )
Hermissenda crassicornis (Eschscholtz, 1831) Hermissenda crassicornis (p. 132, 286 )
Hespererato columbella (Menke, 1847) Hespererato columbella (p. )
Hespererato maugeriae (Gray, 1832) Hespererato maugeriae (p. )
Hespererato vitellina (Hinds, 1844) Hespererato vitellina (p. )
Heteranomia squamula (Linnaeus, 1758) Anomia squamula (p. 31 )
Heterodonax bimaculatus (Linnaeus, 1758) Heterodonax bimaculatus (p. 45 )
Heterodonax pacificus (Conrad, 1837) Heterodonax pacificus (p. 45 )
Heteroteuthis dispar (Rüppell, 1844) Heteroteuthis dispar (p. 161 )
Hexaplex fulvescens (Sowerby II, 1834) Hexaplex fulvescens (p. )
Hiatella arctica (Linnaeus, 1767) Hiatella arctica (p. )
Hiatella arctica (Linnaeus, 1767) Hiatella pholadis (p. )
Hiatella arctica (Linnaeus, 1767) Hiatella striata (p. )
Hiatella azaria (Dall, 1881) Hiatella azaria (p. )
Hinea lineata (da Costa, 1778) Hinea lineata (p. )
Hipponix antiquatus (Linnaeus, 1767) Hipponix antiquatus (p. )
Hipponix subrufus (Lamarck, 1819) Hipponix subrufus (p. )
Hipponix tumens Carpenter, 1864 Hipponix tumens (p. )
Histioteuthis berryi Voss, 1969 Histioteuthis corona berryi (p. )
Histioteuthis bonnellii (Férussac, 1834) Histioteuthis bonnelli (p. 163 )
Histioteuthis celetaria (Voss, 1960) Histioteuthis celetaria (p. 163 )
Histioteuthis celetaria (Voss, 1960) Histioteuthis celetaria celetaria (p. )
Histioteuthis corona (Voss & Voss, 1962) Histioteuthis corona (p. 163 )
Histioteuthis corona (Voss & Voss, 1962) Histioteuthis corona corona (p. )
Histioteuthis elongata (Voss & Voss, 1962) Histioteuthis elongata (p. )
Histioteuthis heteropsis (Berry, 1913) Histioteuthis heteropsis (p. 163 )
Histioteuthis meleagroteuthis (Chun, 1910) Histioteuthis meleagroteuthis (p. 163 )
Holsingeria unthanksensis Hershler, 1989 Holsingeria unthanksensis (p. )
Homalopoma albidum (Dall, 1881) Homalopoma albidum (p. )
Homalopoma baculum (Carpenter, 1864) Homalopoma baculum (p. )
Homalopoma indutum (Watson, 1879) Homalopoma indutum (p. )
Homalopoma luridum (Dall, 1885) Homalopoma luridum (p. )
Homalopoma paucicostatum (Dall, 1871) Homalopoma paucicostatum (p. )
Hopkinsia rosacea MacFarland, 1905 Hopkinsia rosacea (p. 125 )
Hoyia sheldoni (Pilsbry, 1890) Hoyia sheldoni (p. )
Humilaria kennerleyi (Reeve, 1863) Humilaria kennerleyi (p. )
Huxleyia munita (Dall, 1898) Huxleyia munita (p. 25 )
Hyalina pallida (Linnaeus, 1758) Hyalina pallida (p. )
Hyalocylis striata (Rang, 1828) Hyalocylis striata (p. 121 )
Hyaloteuthis pelagica (Bosc, 1802) Hyaloteuthis pelagica (p. 163 )
Hydatina physis (Linnaeus, 1758) Hydatina physis (p. 117 )
Hydromyles globulosus (Rang, 1825) Hydromyles globulosus (p. 121 )
Hypselodoris californiensis (Bergh, 1879) Hypselodoris californiensis (p. 127 )
Hypselodoris sycilla (Bergh, 1890) Hypselodoris sycilla (p. 127, 282 )
Illex coindetii (Vérany, 1839) Illex coindetii (p. 163 )
Illex illecebrosus (Lesueur, 1821) Illex illecebrosus (p. 163 )
Illex oxygonius Roper, Lu & Mangold, 1969 Illex oxygonius (p. 163 )
Ilyanassa obsoleta (Say, 1822) Nassarius obsoletus (p. )
Ilyanassa trivittata (Say, 1822) Nassarius trivittatus (p. )
Iniforis turristhomae (Holten, 1802) Iniforis turristhomae (p. )
Io fluvialis (Say, 1825) Io fluvialis (p. )
Iphigenia brasiliana (Lamarck, 1818) Iphigenia brasiliana (p. 45 )
Irusella lamellifera (Conrad, 1837) Irusella lamellifera (p. )
Ischadium recurvum (Rafinesque, 1820) Ischadium recurvum (p. 27 )
Ischnochiton erythronotus (Adams, 1845) Ischnochiton erythronotus (p. )
Ischnochiton hartmeyeri Thiele, 1910 Ischnochiton hartmeyeri (p. )
Ischnochiton pseudovirgatus Kaas, 1972 Ischnochiton pseudovirgatus (p. )
Isognomon alatus (Gmelin, 1791) Isognomon alatus (p. 29 )
Isognomon bicolor (Adams, 1845) Isognomon bicolor (p. 29 )
Isognomon janus Carpenter, 1857 Isognomon janus (p. 29 )
Isognomon radiatus (Anton, 1839) Isognomon radiatus (p. 29 )
Isognomon recognitus (Mabille, 1895) Isognomon recognitus (p. 29 )
Isorobitella trigonalis (Carpenter, 1857) Isorobitella trigonalis (p. 40 )
Janolus barbarensis (Cooper, 1863) Janolus barbarensis (p. 130, 284 )
Janolus comis Marcus, 1955 Janolus comis (p. 130, 284 )
Janolus fuscus O'Donohue, 1924 Janolus fuscus (p. 130, 284 )
Janolus mucloc (Marcus, 1958) Janolus mucloc (p. 130, 284 )
Janthina exigua Lamarck, 1816 Janthina exigua (p. )
Janthina globosa Swainson, 1822 Janthina globosa (p. )
Janthina janthina (Linnaeus, 1758) Janthina janthina (p. )
Janthina pallida Thompson, 1840 Janthina pallida (p. )
Japetella diaphana Hoyle, 1885 Japetella diaphana (p. 165 )
Japetella heathi (Berry, 1911) Japetella heathi (p. 167 )
Jaspidella jaspidea (Gmelin, 1791) Jaspidella jaspidea (p. )
Jorunna pardus Behrens & Henderson, 1981 Jorunna pardus (p. 128 )
Jouannetia quillingi Turner, 1955 Jouannetia quillingi (p. )
Joubiniteuthis portieri (Joubin, 1916) Joubiniteuthis portieri (p. 164 )
Juga acutifilosa (Stearns, 1890) Juga acutifilosa (p. )
Juga bulbosa (Gould, 1847) Juga bulbosa (p. )
Juga hemphilli (Henderson, 1935) Juga hemphilli (p. )
Juga interioris (Goodrich, 1944) Juga interioris (p. )
Juga laurae (Goodrich, 1944) Juga laurae (p. )
Juga nigrina (Lea, 1856) Juga nigrina (p. )
Juga occata (Hinds, 1844) Juga occata (p. )
Juga plicifera (Lea, 1838) Juga plicifera (p. )
Juga silicula (Gould, 1847) Juga silicula (p. )
Juliacorbula cubaniana (d'Orbigny, 1842) Juliacorbula cubaniana (p. )
Juliacorbula luteola (Carpenter, 1864) Juliacorbula luteola (p. )
Kaiparapelta askewi McLean & Harasewych, 1995 Kaiparapelta askewi (p. 59 )
Katharina tunicata (Wood, 1815) Katharina tunicata (p. )
Keenocardium californiense (Deshayes, 1839) Clinocardium californiense (p. 42 )
Kellia suborbicularis (Montagu, 1803) Kellia suborbicularis (p. 40 )
Kelliopsis elevata (Stimpson, 1851) Aligena elevata (p. 40 )
Kelliopsis texasiana (Harry, 1969) Aligena texasiana (p. 40 )
Kurtzia arteaga (Dall & Bartsch, 1910) Kurtzia arteaga (p. )
Kurtziella atrostyla (Tryon, 1884) Kurtziella atrostyla (p. )
Kurtziella citronella (Dall, 1886) Kurtziella citronella (p. )
Kurtziella limonitella (Dall, 1884) Kurtziella limonitella (p. )
Kurtziella plumbea (Hinds, 1843) Kurtziella plumbea (p. )
Kurtziella variegata (Carpenter, 1864) Kurtziella variegata (p. )
Lacuna carinata Gould, 1848 Lacuna carinata (p. )
Lacuna crassior (Montagu, 1803) Lacuna crassior (p. )
Lacuna marmorata Dall, 1919 Lacuna marmorata (p. )
Lacuna pallidula (da Costa, 1778) Lacuna pallidula (p. )
Lacuna parva (da Costa, 1778) Lacuna parva (p. )
Lacuna succinea Berry, 1953 Lacuna succinea (p. )
Lacuna unifasciata Carpenter, 1856 Lacuna unifasciata (p. )
Lacuna vaginata (Dall, 1918) Lacuna vaginata (p. )
Lacuna variegata Carpenter, 1864 Lacuna variegata (p. )
Lacuna vincta (Montagu, 1803) Lacuna vincta (p. )
Laemodonta cubensis (Pfeiffer, 1854) Laemodonta cubensis (p. 132 )
Laevapex diaphanus (Haldeman, 1841) Laevapex diaphanus (p. 136 )
Laevapex fuscus (Adams, 1841) Laevapex fuscus (p. 136 )
Laevapex peninsulae (Pilsbry, 1903) Laevapex peninsulae (p. 136 )
Laevicardium elatum (Sowerby I, 1833) Laevicardium elatum (p. 42 )
Laevicardium laevigatum (Linnaeus, 1758) Laevicardium laevigatum (p. 42 )
Laevicardium mortoni (Conrad, 1830) Laevicardium mortoni (p. 42 )
Laevicardium pictum (Ravenel, 1861) Laevicardium pictum (p. 42 )
Laevicardium substriatum (Conrad, 1837) Laevicardium substriatum (p. 42 )
Laevicardium sybariticum (Dall, 1886) Laevicardium sybariticum (p. 42 )
Laevichlamys multisquamata (Dunker, 1864) Laevichlamys multisquamata (p. 30 )
Laevinesta atlantica (Perez Farfante, 1947) Laevinesta atlantica (p. )
Laevipilina hyalina McLean, 1979 Laevipilina hyalina (p. 119 )
Lamellaria diegoensis Dall, 1885 Lamellaria diegoensis (p. )
Lamellaria leucosphaera Schwengel, 1942 Lamellaria leucosphaera (p. )
Lamellaria perspicua (Linnaeus, 1758) Lamellaria perspicua (p. )
Lamellitrochus carinatus Quinn, 1991 Lamellitrochus carinatus (p. )
Lamellitrochus inceratus Quinn, 1991 Lamellitrochus inceratus (p. )
Lamellitrochus lamellosus (Verrill & Smith, 1880) Lamellitrochus lamellosus (p. )
Lampadioteuthis megaleia Berry, 1916 Lampadioteuthis megaleia (p. 161 )
Lampanella minima (Gmelin, 1791) Batillaria minima (p. )
Lampeia adamsi (MacGinitie, 1959) Lampeia adamsi (p. )
Lampsilis abrupta (Say, 1831) Lampsilis abrupta (p. 34 )
Lampsilis altilis (Conrad, 1834) Lampsilis altilis (p. 34 )
Lampsilis australis Simpson, 1900 Lampsilis australis (p. )
Lampsilis binominata Simpson, 1900 Lampsilis binominata (p. )
Lampsilis bracteata (Gould, 1855) Lampsilis bracteata (p. 34 )
Lampsilis cardium Rafinesque, 1820 Lampsilis cardium (p. 34 )
Lampsilis cariosa (Say, 1817) Lampsilis cariosa (p. 34 )
Lampsilis dolabraeformis (Lea, 1838) Lampsilis dolabraeformis (p. 34 )
Lampsilis fasciola Rafinesque, 1820 Lampsilis fasciola (p. 34 )
Lampsilis fullerkati Johnson, 1984 Lampsilis fullerkati (p. 34 )
Lampsilis haddletoni Athearn, 1964 Lampsilis haddletoni (p. 34 )
Lampsilis higginsii (Lea, 1857) Lampsilis higginsii (p. 34 )
Lampsilis hydiana (Lea, 1838) Lampsilis hydiana (p. 34 )
Lampsilis ornata (Conrad, 1835) Lampsilis ornata (p. 34 )
Lampsilis ovata (Say, 1817) Lampsilis ovata (p. 34 )
Lampsilis perovalis (Conrad, 1834) Lampsilis perovalis (p. 34 )
Lampsilis powellii (Lea, 1852) Lampsilis powellii (p. 35 )
Lampsilis rafinesqueana Frierson, 1927 Lampsilis rafinesqueana (p. 35 )
Lampsilis satura (Lea, 1852) Lampsilis satura (p. 35 )
Lampsilis siliquoidea (Barnes, 1823) Lampsilis siliquoidea (p. 35 )
Lampsilis splendida (Lea, 1838) Lampsilis splendida (p. 35 )
Lampsilis streckeri Frierson, 1927 Lampsilis streckeri (p. 35 )
Lampsilis subangulata (Lea, 1840) Lampsilis subangulata (p. 35 )
Lampsilis teres (Rafinesque, 1820) Lampsilis teres (p. 35 )
Lampsilis virescens (Lea, 1858) Lampsilis virescens (p. 35 )
Lanx alta (Tryon, 1865) Lanx alta (p. 133 )
Lanx klamathensis Hannibal, 1912 Lanx klamathensis (p. 133 )
Lanx patelloides (Lea, 1856) Lanx patelloides (p. 133 )
Lanx subrotunda (Tryon, 1865) Lanx subrotunda (p. 133 )
Laona finmarchica (Sars, 1859) Philine finmarchica (p. 118, 274 )
Laona quadrata (Wood, 1839) Philine quadrata (p. 118 )
Lapinura divae (Marcus & Marcus, 1963) Lapinura divae (p. 120, 275 )
Larkinia multicostata (Sowerby I, 1833) Anadara multicostata (p. 28 )
Lasaea adansoni (Gmelin, 1791) Lasaea adansoni (p. 40 )
Lasmigona complanata (Barnes, 1823) Lasmigona complanata (p. 35 )
Lasmigona compressa (Lea, 1829) Lasmigona compressa (p. 35 )
Lasmigona costata (Rafinesque, 1820) Lasmigona costata (p. 35 )
Lasmigona decorata (Lea, 1852) Lasmigona decorata (p. 35 )
Lasmigona holstonia (Lea, 1838) Lasmigona holstonia (p. 35 )
Lasmigona subviridis (Conrad, 1835) Lasmigona subviridis (p. 35 )
Latirus angulatus (Roding, 1798) Latirus angulatus (p. )
Latirus carinifer Lamarck, 1822 Latirus carinifer (p. )
Latirus infundibulum (Gmelin, 1791) Latirus infundibulum (p. )
Latirus nematus Woodring, 1928 Latirus nematus (p. )
Leachia atlantica (Degner, 1925) Leachia atlantica (p. 164 )
Leachia cyclura Lesueur, 1821 Leachia cyclura (p. 164 )
Leachia dislocata Young, 1972 Leachia dislocata (p. 164 )
Leachia pacifica (Issel, 1908) Leachia pacifica (p. 164 )
Learchis poica Marcus & Marcus, 1960 Learchis poica (p. 132 )
Ledella fiascona (Dall, 1916) Ledella fiascona (p. 25 )
Leiomya claviculata (Dall, 1881) Leiomya claviculata (p. )
Leiosolenus plumula (Hanley, 1843) Lithophaga plumula (p. 27 )
Lemiox rimosus (Rafinesque, 1831) Lemiox rimosus (p. 35 )
Lepeta caeca (Müller, 1776) Lepeta caeca (p. )
Lepidochitona liozonis (Dall & Simpson, 1901) Lepidochitona liozonis (p. )
Lepidoteuthis grimaldii Joubin, 1895 Lepidoteuthis grimaldi (p. 162 )
Leporimetis intastriata (Say, 1826) Leporimetis intastriata (p. 43 )
Leporimetis obesa (Deshayes, 1855) Leporimetis obesa (p. 43 )
Leptaxinus minutus Verrill & Bush, 1898 Leptaxinus minutus (p. 39 )
Leptodea fragilis (Rafinesque, 1820) Leptodea fragilis (p. 35 )
Leptodea leptodon (Rafinesque, 1820) Leptodea leptodon (p. 35 )
Leptodea ochracea (Say, 1817) Leptodea ochracea (p. 35 )
Lepton lepidum Say, 1826 Lepton lepidum (p. 40 )
Leptopecten latiauratus (Conrad, 1837) Leptopecten latiauratus (p. 30 )
Leptoxis ampla (Anthony, 1855) Leptoxis ampla (p. )
Leptoxis arkansensis (Hinkley, 1915) Leptoxis arkansensis (p. )
Leptoxis carinata (Bruguiere, 1792) Leptoxis carinata (p. )
Leptoxis clipeata (Smith, 1922) Leptoxis clipeata (p. )
Leptoxis compacta (Anthony, 1854) Leptoxis compacta (p. )
Leptoxis dilatata (Conrad, 1835) Leptoxis dilatata (p. )
Leptoxis foremani (Lea, 1843) Leptoxis foremani (p. )
Leptoxis formosa (Lea, 1860) Leptoxis formosa (p. )
Leptoxis ligata (Anthony, 1860) Leptoxis ligata (p. )
Leptoxis lirata (Smith, 1922) Leptoxis lirata (p. )
Leptoxis melanoides (Conrad, 1834) Leptoxis melanoides (p. )
Leptoxis minor (Hinkley, 1912) Leptoxis minor (p. )
Leptoxis occultata (Smith, 1922) Leptoxis occultata (p. )
Leptoxis picta (Conrad, 1834) Leptoxis picta (p. )
Leptoxis plicata (Conrad, 1834) Leptoxis plicata (p. )
Leptoxis praerosa (Say, 1821) Leptoxis praerosa (p. )
Leptoxis showalterii (Lea, 1860) Leptoxis showalterii (p. )
Leptoxis taeniata (Conrad, 1834) Leptoxis taeniata (p. )
Leptoxis trilineata (Say, 1829) Leptoxis trilineata (p. )
Leptoxis umbilicata (Wetherby, 1876) Leptoxis umbilicata (p. )
Leptoxis virgata (Lea, 1841) Leptoxis virgata (p. )
Leptoxis vittata (Lea, 1860) Leptoxis vittata (p. )
Lepyrium showalteri (Lea, 1861) Lepyrium showalteri (p. )
Leuconopsis novimundi (Pilsbry & McGinty, 1949) Leuconopsis novimundi (p. 132 )
Leucozonia nassa (Gmelin, 1791) Leucozonia nassa (p. )
Leucozonia ocellata (Gmelin, 1791) Leucozonia ocellata (p. )
Leukoma staminea (Conrad, 1837) Protothaca staminea (p. )
Lexingtonia dolabelloides (Lea, 1840) Lexingtonia dolabelloides (p. 35 )
Lexingtonia subplana (Conrad, 1837) Lexingtonia subplana (p. 35 )
Ligumia nasuta (Say, 1817) Ligumia nasuta (p. 35 )
Ligumia recta (Lamarck, 1819) Ligumia recta (p. 35 )
Ligumia subrostrata (Say, 1831) Ligumia subrostrata (p. 35 )
Lima floridana Olsson & Harbison, 1953 Lima floridana (p. 29 )
Lima lima (Linnaeus, 1758) Lima lima (p. 29 )
Limacia cockerelli (MacFarland, 1905) Laila cockerelli (p. 126 )
Limacina bulimoides (d'Orbigny, 1836) Limacina bulimoides (p. 120 )
Limacina helicina (Phipps, 1774) Limacina helicina (p. 120 )
Limacina inflata (d'Orbigny, 1836) Limacina inflata (p. 120 )
Limacina lesueurii (d'Orbigny, 1836) Limacina lesueurii (p. 120 )
Limacina retroversa (Fleming, 1823) Limacina retroversa (p. 120 )
Limacina trochiformis (d'Orbigny, 1836) Limacina trochiformis (p. 120 )
Limapontia zonata (Girard, 1852) Limapontia zonata (p. 124, 278 )
Limaria hemphilli (Hertlein & Strong, 1946) Limaria hemphilli (p. 29 )
Limaria locklini (McGinty, 1955) Lima locklini (p. 29 )
Limaria pellucida (Adams, 1846) Limaria pellucida (p. 29 )
Limatula attenuata Dall, 1916 Limatula attenuata (p. 29 )
Limatula confusa (Smith, 1885) Limatula confusa (p. 29 )
Limatula hendersoni Olsson & McGinty, 1958 Limatula hendersoni (p. 29 )
Limatula hyalina Verrill & Bush, 1898 Limatula hyalina (p. 29 )
Limatula hyperborea Jensen, 1909 Limatula hyperborea (p. 29 )
Limatula japonica Adams, 1864 Limatula japonica (p. 29 )
Limatula regularis Verrill & Bush, 1898 Limatula regularis (p. 29 )
Limatula saturna Bernard, 1978 Limatula saturna (p. 29 )
Limatula setifera Dall, 1886 Limatula setifera (p. 29 )
Limatula similaris (Dall, 1908) Limatula similaris (p. 29 )
Limatula subauriculata (Montagu, 1808) Limatula subauriculata (p. 30 )
Limea bronniana Dall, 1886 Limea bronniana (p. 30 )
Limea subovata (Jeffreys, 1876) Limea subovata (p. 30 )
Limifossor fratula Heath, 1911 Limifossor fratula (p. 19 )
Limifossor talpoideus Heath, 1911 Limifossor talpoideus (p. 19 )
Limneria prolongata (Carpenter, 1864) Velutina prolongata (p. )
Limopsis akutanica Dall, 1916 Limopsis akutanica (p. 28 )
Limopsis antillensis Dall, 1881 Limopsis antillensis (p. 28 )
Limopsis aurita (Brocchi, 1814) Limopsis aurita (p. 28 )
Limopsis cristata Verrill, 1885 Limopsis cristata (p. 28 )
Limopsis minuta Philippi, 1836 Limopsis minuta (p. 28 )
Limopsis nipponica Yokoyama, 1922 Nipponolimopsis decussata (p. 28 )
Limopsis panamensis Dall, 1902 Limopsis panamensis (p. 28 )
Limopsis sulcata Verrill & Bush, 1898 Limopsis sulcata (p. 28 )
Limopsis vaginata Dall, 1891 Empleconia vaginata (p. 28 )
Linatella caudata (Gmelin, 1791) Linatella caudata (p. )
Lindapecten exasperatus (Sowerby II, 1842) Lindapecten exasperatus (p. 30 )
Lindapecten lindae Petuch, 1995 Lindapecten lindae (p. 30 )
Lindapecten muscosus (Wood, 1828) Lindapecten muscosus (p. 30 )
Lioberus castaneus (Say, 1822) Lioberus castaneus (p. 27 )
Liocranchia reinhardtii (Steenstrup, 1856) Liocranchia reinhardti (p. 164 )
Liomesus nassula Dall, 1901 Liomesus nassula (p. )
Liomesus ooides (Middendorff, 1848) Liomesus ooides (p. )
Lioplax cyclostomaformis (Lea, 1841) Lioplax cyclostomaformis (p. )
Lioplax pilsbryi Walker, 1905 Lioplax pilsbryi (p. )
Lioplax subcarinata (Say, 1816) Lioplax subcarinata (p. )
Lioplax sulculosa (Menke, 1827) Lioplax sulculosa (p. )
Liotia fenestrata Carpenter, 1864 Liotia fenestrata (p. )
Lirabuccinum dirum (Reeve, 1846) Lirabuccinum dirum (p. )
Lirobittium attenuatum (Carpenter, 1864) Lirobittium attenuatum (p. )
Lirobittium quadrifilatum (Carpenter, 1864) Lirobittium quadrifilatum (p. )
Lirophora clenchi (Pulley, 1952) Lirophora clenchi (p. )
Lirophora latilirata (Conrad, 1841) Lirophora latilirata (p. )
Lirularia acuticostata (Carpenter, 1864) Lirularia acuticostata (p. )
Lirularia bicostata (McLean, 1964) Lirularia bicostata (p. )
Lirularia discors McLean, 1984 Lirularia discors (p. )
Lirularia lirulata (Carpenter, 1864) Lirularia lirulata (p. )
Lirularia optabilis (Carpenter, 1864) Lirularia optabilis (p. )
Lirularia parcipicta (Carpenter, 1864) Lirularia parcipicta (p. )
Lirularia succincta (Carpenter, 1864) Lirularia succincta (p. )
Lithasia armigera (Say, 1821) Lithasia armigera (p. )
Lithasia curta (Lea, 1868) Lithasia curta (p. )
Lithasia duttoniana (Lea, 1841) Lithasia duttoniana (p. )
Lithasia geniculata Haldeman, 1840 Lithasia geniculata (p. )
Lithasia hubrichti Clench, 1956 Lithasia hubrichti (p. )
Lithasia jayana (Lea, 1841) Lithasia jayana (p. )
Lithasia lima (Conrad, 1834) Lithasia lima (p. )
Lithasia obovata (Say, 1829) Lithasia obovata (p. )
Lithasia salebrosa (Conrad, 1834) Lithasia salebrosa (p. )
Lithasia verrucosa (Rafinesque, 1820) Lithasia verrucosa (p. )
Lithophaga antillarum (d'Orbigny, 1853) Lithophaga antillarum (p. 27 )
Lithophaga aristata (Dillwyn, 1817) Lithophaga aristata (p. 27 )
Lithophaga attenuata (Deshayes, 1836) Lithophaga attenuata (p. 27 )
Lithophaga bisulcata (d'Orbigny, 1853) Lithophaga bisulcata (p. 27 )
Lithophaga nigra (d'Orbigny, 1853) Lithophaga nigra (p. 27 )
Lithopoma caelatum (Gmelin, 1791) Lithopoma caelatum (p. )
Lithopoma gibberosa (Dillwyn, 1817) Lithopoma gibberosa (p. )
Lithopoma phoebium (Röding, 1798) Astralium phoebium (p. )
Lithopoma tectum (Lightfoot, 1786) Lithopoma tectum (p. )
Lithopoma tuber (Linnaeus, 1758) Lithopoma tuber (p. )
Litiopa melanostoma Rang, 1829 Litiopa melanostoma (p. )
Littoraria angulifera (Lamarck, 1822) Littoraria angulifera (p. )
Littoraria irrorata (Say, 1822) Littoraria irrorata (p. )
Littoraria nebulosa (Lamarck, 1822) Littoraria nebulosa (p. )
Littoridinops monroensis (Frauenfeld, 1863) Littoridinops monroensis (p. )
Littoridinops palustris Thompson, 1968 Littoridinops palustris (p. )
Littoridinops tenuipes (Couper, 1844) Littoridinops tenuipes (p. )
Littorina keenae Rosewater, 1978 Littorina keenae (p. )
Littorina littorea (Linnaeus, 1758) Littorina littorea (p. )
Littorina obtusata (Linnaeus, 1758) Littorina obtusata (p. )
Littorina saxatilis (Olivi, 1792) Littorina saxatilis (p. )
Littorina scutulata Gould, 1849 Littorina scutulata (p. )
Littorina sitkana Philippi, 1846 Littorina sitkana (p. )
Lobatus gallus (Linnaeus, 1758) Strombus gallus (p. )
Lobiger souverbii Fischer, 1857 Lobiger souverbii (p. 123, 277 )
Lolliguncula brevis (Blainville, 1823) Lolliguncula brevis (p. 161 )
Lomanotus vermiformis Eliot, 1908 Lomanotus vermiformis (p. 129, 283 )
Lottia asmi (Middendorff, 1847) Lottia asmi (p. )
Lottia borealis (Lindberg, 1982) Lottia borealis (p. )
Lottia digitalis (Rathke, 1833) Lottia digitalis (p. )
Lottia gigantea Sowerby, 1834 Lottia gigantea (p. )
Lottia instabilis (Gould, 1846) Lottia instabilis (p. )
Lottia jamaicensis (Gmelin, 1791) Lottia jamaicensis (p. )
Lottia leucopleura (Gmelin, 1791) Lottia leucopleura (p. )
Lottia limatula (Carpenter, 1864) Lottia limatula (p. )
Lottia ochracea (Dall, 1871) Lottia ochracea (p. )
Lottia pelta (Rathke, 1833) Lottia pelta (p. )
Lottia scabra (Gould, 1846) Lottia scabra (p. )
Lottia triangularis (Carpenter, 1864) Lottia triangularis (p. )
Lucapina aegis (Reeve, 1850) Lucapina aegis (p. )
Lucapina suffusa (Reeve, 1850) Lucapina suffusa (p. )
Lucapinella callomarginata (Dall, 1871) Lucapinella callomarginata (p. )
Lucapinella limatula (Reeve, 1850) Lucapinella limatula (p. )
Lucidella tantilla Pilsbry, 1902 Lucidella tantilla (p. )
Lucina amianta (Dall, 1901) Lucina amianta (p. 38 )
Lucina floridana Conrad, 1833 Lucina floridana (p. 38 )
Lucina keenae Chavan, 1971 Lucina keenae (p. 38 )
Lucina leucocyma Dall, 1886 Lucina leucocyma (p. 38 )
Lucina pectinata (Gmelin, 1791) Lucina pectinata (p. 38 )
Lucina pensylvanica (Linnaeus, 1758) Lucina pensylvanica (p. 38 )
Lucina sombrerensis Dall, 1886 Lucina sombrerensis (p. 38 )
Lucina trisulcata Conrad, 1841 Lucina trisulcata (p. 38 )
Lucinisca muricata (Spengler, 1798) Lucinisca muricata (p. 38 )
Lucinisca nassula (Conrad, 1846) Lucinisca nassula (p. 38 )
Lucinisca nuttalli (Conrad, 1837) Lucinisca nuttalli (p. 38 )
Lucinoma annulata (Reeve, 1850) Lucinoma annulatum (p. 38 )
Lucinoma blakeanum (Bush, 1893) Lucinoma blakeanum (p. 38 )
Lucinoma filosum (Stimpson, 1851) Lucinoma filosum (p. 38 )
Lunarca ovalis (Bruguière, 1789) Anadara ovalis (p. 28 )
Lussivolutopsius filosus (Dall, 1919) Lussivolutopsius filosus (p. )
Luzonia walleri (Bernard, 1989) Luzonia walleri (p. )
Lycoteuthis lorigera (Steenstrup, 1875) Lycoteuthis diadema (p. 1667 )
Lymnaea atkaensis Dall, 1884 Lymnaea atkaensis (p. 133 )
Lymnaea stagnalis (Linnaeus, 1758) Lymnaea stagnalis (p. 133 )
Lyogyrus browni (Carpenter, 1872) Lyogyrus browni (p. )
Lyogyrus granum (Say, 1822) Lyogyrus granum (p. )
Lyogyrus greggi (Pilsbry, 1935) Lyogyrus greggi (p. )
Lyogyrus latus Thompson & Hershler, 1991 Lyogyrus latus (p. )
Lyogyrus pilsbryi (Walker, 1906) Lyogyrus pilsbryi (p. )
Lyogyrus pupoideus (Gould, 1841) Lyogyrus pupoideus (p. )
Lyogyrus retromargo (Thompson, 1968) Lyogyrus retromargo (p. )
Lyogyrus walkeri (Pilsbry, 1898) Lyogyrus walkeri (p. )
Lyonsia arenosa (Moller, 1842) Lyonsia arenosa (p. )
Lyonsia bracteata (Gould, 1850) Lyonsia bracteata (p. )
Lyonsia californica Conrad, 1837 Lyonsia californica (p. )
Lyonsia floridana Conrad, 1849 Lyonsia floridana (p. )
Lyonsia granulifera Verrill & Bush, 1898 Lyonsia granulifera (p. )
Lyonsia hyalina Conrad, 1831 Lyonsia hyalina (p. )
Lyonsia striata (Montagu, 1815) Lyonsia striata (p. )
Lyrodus bipartitus (Jeffreys, 1860) Lyrodus bipartitus (p. )
Lyrodus floridanus (Bartsch, 1922) Lyrodus floridanus (p. )
Lyrodus pedicellatus (de Quatrefages, 1849) Lyrodus pedicellatus (p. )
Lyrodus takanoshimensis (Roch, 1929) Lyrodus takanoshimensis (p. )
Lyropecten kallinubilosus (Bayer, 1943) Lyropecten kallinubilosus (p. 30 )
Macoma acolasta Dall, 1921 Macoma acolasta (p. 43 )
Macoma balthica (Linnaeus, 1758) Macoma balthica (p. )
Macoma brevifrons (Say, 1834) Macoma brevifrons (p. 43 )
Macoma brota Dall, 1916 Macoma brota (p. 43 )
Macoma calcarea (Gmelin, 1791) Macoma calcarea (p. 43 )
Macoma carlottensis Whiteaves, 1880 Macoma carlottensis (p. 43 )
Macoma cerina Adams, 1845 Macoma cerina (p. 43 )
Macoma constricta (Bruguiere, 1792) Macoma constricta (p. 43 )
Macoma crassula (Deshayes, 1855) Macoma crassula (p. 44 )
Macoma dexioptera Baxter, 1977 Macoma dexioptera (p. 44 )
Macoma elimata Dunnill & Coan, 1968 Macoma elimata (p. 44 )
Macoma expansa Carpenter, 1864 Macoma expansa (p. 44 )
Macoma extenuata Dall, 1900 Macoma extenuata (p. 44 )
Macoma indentata Carpenter, 1864 Macoma indentata (p. 44 )
Macoma inquinata (Deshayes, 1855) Macoma inquinata (p. 44 )
Macoma lama Bartsch, 1929 Macoma lama (p. 44 )
Macoma limula Dall, 1895 Macoma limula (p. 44 )
Macoma lipara Dall, 1916 Macoma lipara (p. 44 )
Macoma loveni (Jensen, 1905) Macoma loveni (p. 44 )
Macoma middendorffi Dall, 1884 Macoma middendorffi (p. 44 )
Macoma mitchelli Dall, 1895 Macoma mitchelli (p. 44 )
Macoma moesta (Deshayes, 1855) Macoma moesta (p. 44 )
Macoma nasuta (Conrad, 1837) Macoma nasuta (p. 44 )
Macoma obliqua (Sowerby, 1817) Macoma obliqua (p. 44 )
Macoma phenax Dall, 1900 Macoma phenax (p. 44 )
Macoma pulleyi Boyer, 1969 Macoma pulleyi (p. 44 )
Macoma secta (Conrad, 1837) Macoma secta (p. 44 )
Macoma tageliformis Dall, 1900 Macoma tageliformis (p. 44 )
Macoma tenta (Say, 1834) Macoma tenta (p. 44 )
Macoma torelli (Jensen, 1905) Macoma torelli (p. 44 )
Macoma yoldiformis Carpenter, 1864 Macoma yoldiformis (p. 44 )
Macrarene farallonensis (Smith, 1952) Macrarene farallonensis (p. )
Macrocallista nimbosa (Lightfoot, 1786) Macrocallista nimbosa (p. )
Macrocypraea cervus (Linnaeus, 1771) Macrocypraea cervus (p. )
Macrocypraea zebra (Linnaeus, 1758) Macrocypraea zebra (p. )
Macron lividus (Adams, 1855) Macron lividus (p. )
Macrostrombus costatus (Gmelin, 1791) Strombus costatus (p. )
Macrotritopus defilippi (Vérany, 1851) Octopus defilippi (p. 165 )
Mactromeris catilliformis (Conrad, 1867) Mactromeris catilliformis (p. 42 )
Mactromeris hemphillii (Dall, 1894) Mactromeris hemphillii (p. 42 )
Mactromeris polynyma (Stimpson, 1860) Mactromeris polynyma (p. 43 )
Mactrotoma californica (Conrad, 1837) Mactrotoma californica (p. 43 )
Mactrotoma fragilis (Gmelin, 1791) Mactrotoma fragilis (p. 43 )
Mactrotoma nasuta (Gould, 1851) Mactrotoma nasuta (p. 43 )
Magallana gigas (Thunberg, 1793) Crassostrea gigas (p. 31 )
Magnoteuthis magna (Joubin, 1913) Idioteuthis magna (p. 164 )
Malletia faba Dall, 1897 Malletia faba (p. 25 )
Malleus candeanus (d'Orbigny, 1842) Malleus candeanus (p. 9 )
Manzonia cosmia (Bartsch, 1911) Manzonia cosmia (p. )
Manzonia purpurea (Dall, 1871) Manzonia purpurea (p. )
Margarites frigidus Dall, 1919 Margarites frigidus (p. )
Margarites giganteus (Leche, 1878) Margarites giganteus (p. )
Margarites groenlandicus (Gmelin, 1791) Margarites groenlandicus (p. )
Margarites helicinus (Phipps, 1774) Margarites helicinus (p. )
Margarites multilineatus (DeKay, 1843) Margarites multilineatus (p. )
Margarites olivaceus (Brown, 1827) Margarites olivaceus (p. )
Margarites pupillus (Gould, 1849) Margarites pupillus (p. )
Margarites salmoneus (Carpenter, 1864) Margarites salmoneus (p. )
Margarites simbla Dall, 1913 Margarites simbla (p. )
Margarites vorticifer (Dall, 1873) Margarites vorticifer (p. )
Margaritifera falcata (Gould, 1850) Margaritifera falcata (p. 32 )
Margaritifera hembeli (Conrad, 1838) Margaritifera hembeli (p. 32 )
Margaritifera margaritifera (Linnaeus, 1758) Margaritifera margaritifera (p. 32 )
Margaritifera marrianae Johnson, 1983 Margaritifera marrianae (p. )
Marionia tedi Marcus, 1983 Marionia tedi (p. 128, 283 )
Marisa cornuarietis (Linnaeus, 1758) Marisa cornuarietis (p. )
Marsenina ampla Verrill, 1880 Marsenina ampla (p. )
Marsenina glabra (Couthouy, 1838) Marsenina glabra (p. )
Marsenina globosa Perry, 1939 Marsenina globosa (p. )
Marsenina rhombica (Dall, 1871) Marsenina rhombica (p. )
Marshallora nigrocincta (Adams, 1839) Marshallora nigrocincta (p. )
Martesia cuneiformis (Say, 1822) Martesia cuneiformis (p. )
Martesia fragilis Verrill & Bush, 1890 Martesia fragilis (p. )
Martesia striata (Linnaeus, 1758) Martesia striata (p. )
Mastigopsis hjorti (Chun, 1913) Idioteuthis hjorti (p. 164 )
Mastigoteuthis agassizii Verrill, 1881 Mastigoteuthis agassizii (p. 164 )
Mastigoteuthis grimaldii (Joubin, 1895) Mastigoteuthis grimaldii (p. 164 )
Mastigoteuthis pyrodes Young, 1972 Mastigoteuthis pyrodes (p. 164 )
Mathilda barbadensis Dall, 1889 Mathilda barbadensis (p. )
Mathilda yucatecana (Dall, 1881) Mathilda yucatecana (p. )
Maxwellia gemma (Sowerby II, 1879) Maxwellia gemma (p. )
Maxwellia santarosana (Dall, 1905) Maxwellia santarosana (p. )
Medionidus acutissimus (Lea, 1831) Medionidus acutissimus (p. 35 )
Medionidus conradicus (Lea, 1834) Medionidus conradicus (p. 35 )
Medionidus parvulus (Lea, 1860) Medionidus parvulus (p. 35 )
Medionidus penicillatus (Lea, 1857) Medionidus penicillatus (p. 35 )
Medionidus simpsonianus Walker, 1905 Medionidus simpsonianus (p. 35 )
Medionidus walkeri (Wright, 1897) Medionidus walkeri (p. 35 )
Megalocranchia maxima Pfeffer, 1884 Megalocranchia maxima (p. 164 )
Megalocranchia oceanica (Voss, 1960) Megalocranchia oceanica (p. 164 )
Megalomphalus californicus (Dall, 1903) Megalomphalus californicus (p. )
Megalomphalus floridanus (Moore, 1965) Megalomphalus floridanus (p. )
Megalomphalus palmalitoris (Pilsbry & McGinty, 1950) Megalomphalus palmalitoris (p. )
Megalonaias nervosa (Rafinesque, 1820) Megalonaias nervosa (p. 35 )
Megangulus luteus (Wood, 1828) Tellina lutea (p. 44 )
Megapitaria maculata (Linnaeus, 1758) Macrocallista maculata (p. )
Megastraea undosa (Wood, 1828) Megastraea undosa (p. )
Megathura crenulata (Sowerby I, 1825) Megathura crenulata (p. )
Megayoldia martyria (Dall, 1897) Megayoldia martyria (p. 26 )
Megayoldia montereyensis (Dall, 1893) Megayoldia montereyensis (p. 26 )
Megayoldia thraciaeformis (Storer, 1838) Megayoldia thraciaeformis (p. 25 )
Meioceras cubitatum de Folin, 1868 Caecum cubitatum (p. )
Meioceras nitidum (Stimpson, 1851) Caecum nitidum (p. )
Meiomenia arenicola Salvini-Plawen, 1985 Meiomenia arenicola (p. 20 )
Meiomenia swedmarki Morse, 1979 Meiomenia swedmarki (p. 20 )
Melampus bidentatus Say, 1822 Melampus bidentatus (p. 132 )
Melampus bullaoides (Montagu, 1808) Melampus bullaoides (p. 132, 286 )
Melampus coffea (Linnaeus, 1758) Melampus coffeus (p. 133 )
Melampus floridanus Pfeiffer, 1856 Melampus floridanus (p. 133, 286 )
Melampus monile (Bruguiére, 1789) Melampus monile (p. 133, 286 )
Melampus morrisoni Martins, 1996 Melampus morrisoni (p. 133, 286 )
Melampus olivaceus Carpenter, 1856 Melampus olivaceus (p. 133, 286 )
Melanella conoidea (Kurtz & Stimpson, 1851) Melanella conoidea (p. )
Melanella eulimoides (Adams, 1850) Melanella eulimoides (p. )
Melanella jamaicensis (Adams, 1845) Melanella jamaicensis (p. )
Melanella montereyensis Bartsch, 1917 Melanella montereyensis (p. )
Melanella peninsularis Bartsch, 1917 Melanella peninsularis (p. )
Melanella tacomaensis Bartsch, 1917 Melanella tacomaensis (p. )
Melanochlamys diomedea (Bergh, 1894) Melanochlamys diomedea (p. 119 )
Melanoides tuberculatus (Müller, 1774) Melanoides tuberculatus (p. )
Melanoides turriculus (Lea, 1850) Melanoides turriculus (p. )
Melibe leonina (Gould, 1852) Melibe leonina (p. 129 )
Mendicula ferruginosa (Forbes, 1844) Mendicula ferruginosa (p. 39 )
Menetus alabamensis Pilsbry, 1895 Micromenetus alabamensis (p. 135 )
Menetus brogniartianus (Lea, 1842) Micromenetus brogniartianus (p. 135 )
Menetus dilatatus (Gould, 1841) Micromenetus dilatatus (p. 135 )
Menetus floridensis Baker, 1945 Micromenetus floridensis (p. 135 )
Menetus opercularis (Gould, 1847) Menetus opercularis (p. 135 )
Menetus sampsoni Ancey, 1885 Micromenetus sampsoni (p. 135 )
Mercenaria mercenaria (Linnaeus, 1758) Mercenaria mercenaria (p. )
Mesodesma arctatum (Conrad, 1830) Mesodesma arctatum (p. 43 )
Mesodesma deauratum (Turton, 1822) Mesodesma deauratum (p. 43 )
Mesomphix andrewsae (Pilsbry, 1895) Mesomphix andrewsae (p. )
Mesomphix anurus Hubricht, 1962 Mesomphix anurus (p. )
Mesomphix capnodes (Binney, 1857) Mesomphix capnodes (p. )
Mesomphix cupreus (Rafinesque, 1831) Mesomphix cupreus (p. )
Mesomphix friabilis (Binney, 1857) Mesomphix friabilis (p. )
Mesomphix globosus (MacMillan, 1940) Mesomphix globosus (p. )
Mesomphix inornatus (Say, 1821) Mesomphix inornatus (p. )
Mesomphix latior (Pilsbry, 1900) Mesomphix latior (p. )
Mesomphix perfragilis (Wetherby, 1894) Mesomphix perfragilis (p. )
Mesomphix perlaevis (Pilsbry, 1900) Mesomphix perlaevis (p. )
Mesomphix pilsbryi (Clapp, 1904) Mesomphix pilsbryi (p. )
Mesomphix rugeli (Binney, 1879) Mesomphix rugeli (p. )
Mesomphix subplanus (Binney, 1842) Mesomphix subplanus (p. )
Mesomphix vulgatus Baker, 1933 Mesomphix vulgatus (p. )
Metzgeria californica Dall, 1903 Metzgeria californica (p. )
Metzgeria montereyana Smith & Gordon, 1948 Metzgeria montereyana (p. )
Mexichromis porterae (Cockerell, 1901) Mexichromis porterae (p. 127 )
Microeulima hemphillii (Dall, 1884) Microeulima hemphillii (p. )
Microglyphis brevicula (Dall, 1902) Microglyphis brevicula (p. 117 )
Microglyphis estuarina (Dall, 1908) Microglyphis estuarina (p. 117 )
Micromelo undatus (Bruguiere, 1792) Micromelo undatus (p. 117 )
Microtralia occidentalis (Pfeiffer, 1854) Microtralia occidentalis (p. 133 )
Miesea evelinae (Marcus, 1957) Miesea evelinae (p. 130, 284 )
Milneria kelseyi Dall, 1916 Milneria kelseyi (p. 41 )
Milneria minima (Dall, 1871) Milneria minima (p. 41 )
Miodontiscus prolongatus (Carpenter, 1864) Miodontiscus prolongatus (p. 41 )
Mirachelus clinocnemus Quinn, 1979 Mirachelus clinocnemus (p. )
Mirachelus corbis (Dall, 1889) Mirachelus corbis (p. )
Mitra florida Gould, 1856 Mitra florida (p. )
Mitra fultoni Smith, 1892 Mitra fultoni (p. )
Mitra idae Melvill, 1893 Mitra idae (p. )
Mitra nodulosa (Gmelin, 1791) Mitra nodulosa (p. )
Mitra straminea Adams, 1853 Mitra straminea (p. )
Mitrella clementensis (Bartsch, 1927) Mitrella clementensis (p. )
Mitrella dichroa (Sowerby I, 1844) Mitrella dichroa (p. )
Mitrella ocellata (Gmelin, 1791) Mitrella ocellata (p. )
Modiolus americanus (Leach, 1815) Modiolus americanus (p. 27 )
Modiolus capax (Conrad, 1837) Modiolus capax (p. 27 )
Modiolus carpenteri Soot-Ryen, 1963 Modiolus carpenteri (p. 27 )
Modiolus modiolus (Linnaeus, 1758) Modiolus modiolus (p. 27 )
Modiolus neglectus Soot-Ryen, 1955 Modiolus neglectus (p. 27 )
Modiolus rectus (Conrad, 1837) Modiolus rectus (p. 27 )
Modiolus sacculifer (Berry, 1953) Modiolus sacculifer (p. 27 )
Modulus modulus (Linnaeus, 1758) Modulus modulus (p. )
Moelleria costulata (Moller, 1842) Moelleria costulata (p. )
Monoplex parthenopeus (Salis Marschlins, 1793) Cymatium parthenopeum (p. )
Montacuta percompressa Dall, 1899 Montacuta percompressa (p. 40 )
Morum dennisoni (Reeve, 1842) Morum dennisoni (p. )
Morum lamarckii (Deshayes, 1844) Morum lamarcki (p. )
Morum oniscus (Linnaeus, 1767) Morum oniscus (p. )
Mourgona germaineae Marcus & Marcus, 1970 Mourgona germaineae (p. 124, 278 )
Mulinia lateralis (Say, 1822) Mulinia lateralis (p. 43 )
Murchisonella spectrum (Mörch, 1875) Murchisonella tampaensis (p. )
Murexiella glypta (Smith, 1938) Murexiella glypta (p. )
Murexiella levicula (Dall, 1889) Murexiella levicula (p. )
Musculium lacustre (Müller, 1774) Musculium lacustre (p. )
Musculium partumeium (Say, 1822) Musculium partumeium (p. )
Musculium securis (Prime, 1852) Musculium securis (p. )
Musculium transversum (Say, 1829) Musculium transversum (p. )
Musculus discors (Linnaeus, 1767) Musculus discors (p. 27 )
Musculus glacialis (Leche, 1883) Musculus glacialis (p. 27 )
Musculus lateralis (Say, 1822) Musculus lateralis (p. 27 )
Musculus marmoratus (Forbes, 1838) Musculus marmoratus (p. 27 )
Musculus niger (Gray, 1824) Musculus niger (p. 27 )
Musculus phenax (Dall, 1915) Musculus phenax (p. )
Musculus pygmaeus Glynn, 1964 Musculus pygmaeus (p. )
Musculus taylori (Dall, 1897) Musculus taylori (p. )
Mya arenaria Linnaeus, 1758 Mya arenaria (p. )
Mya baxteri Coan & Scott, 1997 Mya baxteri (p. )
Mya pseudoarenaria Schlesch, 1931 Mya pseudoarenaria (p. )
Mya truncata Linnaeus, 1758 Mya truncata (p. )
Myonera lamellifera (Dall, 1881) Myonera lamellifera (p. )
Myosotella myosotis (Draparnaud, 1801) Myosotella myosotis (p. 133, 287 )
Myrtea compressa (Dall, 1881) Myrtea compressa (p. 38 )
Myrtea lens (Verrill & Smith, 1880) Myrtea lens (p. 38 )
Myrtea sagrinata (Dall, 1886) Myrtea sagrinata (p. 38 )
Mysella casta (Verrill & Bush, 1898) Mysella casta (p. 40 )
Mysella moelleri (Posselt, 1898) Mysella moelleri (p. 40 )
Mysella ovata (Jeffreys, 1881) Mysella ovata (p. )
Mysella pedroana Dall, 1899 Mysella pedroana (p. 40 )
Mysella planata (Krause, 1885) Mysella planata (p. 40 )
Mysella planulata (Stimpson, 1851) Mysella planulata (p. 40 )
Mysella striatula Verrill & Bush, 1898 Mysella striatula (p. 40 )
Mysella triquetra (Verrill & Bush, 1898) Mysella triquetra (p. 40 )
Mytilimeria nuttalli Conrad, 1837 Mytilimeria nuttalli (p. )
Mytilopsis leucophaeata (Conrad, 1831) Mytilopsis leucophaeata (p. 46 )
Mytilopsis sallei (Recluz, 1849) Mytilopsis sallei (p. 46 )
Mytilus californianus Conrad, 1837 Mytilus californianus (p. 27 )
Mytilus edulis Linnaeus, 1758 Mytilus edulis (p. 27 )
Mytilus galloprovincialis Lamarck, 1819 Mytilus galloprovincialis (p. 27 )
Mytilus trossulus Gould, 1850 Mytilus trossulus (p. 27 )
Naria acicularis (Gmelin, 1791) Erosaria acicularis (p. )
Nassarina glypta (Bush, 1885) Nassarina glypta (p. )
Nassarina penicillata (Carpenter, 1864) Nassarina penicillata (p. )
Nassarius acutus (Say, 1822) Nassarius acutus (p. )
Nassarius albus (Say, 1826) Nassarius albus (p. )
Nassarius antillarum (d'Orbigny, 1842) Nassarius antillarum (p. )
Nassarius consensus (Ravenel, 1861) Nassarius consensus (p. )
Nassarius fossatus (Gould, 1850) Nassarius fossatus (p. )
Nassarius fraterculus (Dunker, 1860) Nassarius fraterculus (p. )
Nassarius hotessieri (d'Orbigny, 1845) Nassarius hotessieri (p. )
Nassarius insculptus (Carpenter, 1864) Nassarius insculptus (p. )
Nassarius mendicus (Gould, 1850) Nassarius mendicus (p. )
Nassarius perpinguis (Hinds, 1844) Nassarius perpinguis (p. )
Nassarius rhinetes Berry, 1953 Nassarius rhinetes (p. )
Nassarius tiarula (Kiener, 1841) Nassarius tiarula (p. )
Natica castrensis Dall, 1889 Natica castrensis (p. )
Natica livida Pfeiffer, 1840 Natica livida (p. )
Natica marochiensis (Gmelin, 1791) Natica marochiensis (p. )
Naticarius canrena (Linnaeus, 1758) Naticarius canrena (p. )
Navanax aenigmaticus (Bergh, 1893) Navanax aenigmaticus (p. 119 )
Navanax inermis (Cooper, 1863) Navanax inermis (p. 119 )
Navanax polyalphos (Gosliner & Williams, 1972) Navanax polyalphos (p. 119, 274 )
Neadmete modesta (Carpenter, 1864) Neadmete modesta (p. )
Neaeromya compressa (Dall, 1899) Neaeromya compressa (p. 40 )
Neaeromya rugifera (Carpenter, 1864) Neaeromya rugifera (p. 40 )
Nectoteuthis pourtalesi Verrill, 1883 Nectoteuthis pourtalesi (p. 161 )
Nemocardium centifilosum (Carpenter, 1864) Nemocardium centifilosum (p. 42 )
Nemocardium peramabile (Dall, 1881) Nemocardium peramabile (p. 42 )
Nemocardium tinctum (Dall, 1881) Nemocardium tinctum (p. 42 )
Nemocardium transversum Rehder & Abbott, 1951 Nemocardium transversum (p. 42 )
Neoiphinoe coronata (Gould, 1860) Trichotropis coronata (p. )
Neolepton subtrigonum (Carpenter, 1857) Halodakra subtrigona (p. 46 )
Neoplanorbis carinatus Walker, 1908 Neoplanorbis carinatus (p. 135, 288 )
Neoplanorbis smithi Walker, 1908 Neoplanorbis smithi (p. 135, 288 )
Neoplanorbis tantillus Pilsbry, 1906 Neoplanorbis tantillus (p. 135, 288 )
Neoplanorbis umbilicatus Walker, 1908 Neoplanorbis umbilicatus (p. 135, 288 )
Neopycnodonte cochlear (Poli, 1795) Neopycnodonte cochlear (p. 32 )
Neosimnia barbarensis (Dall, 1892) Neosimnia barbarensis (p. )
Neosimnia bellamaris Berry, 1946 Neosimnia bellamaris (p. )
Neoteuthis thielei Naef, 1921 Neoteuthis thielei (p. 163 )
Neotrapezium liratum (Reeve, 1843) Neotrapezium liratum (p. )
Neptunea pribiloffensis (Dall, 1919) Neptunea pribiloffensis (p. )
Neptunea tabulata (Baird, 1863) Neptunea tabulata (p. )
Neptunea ventricosa (Gmelin, 1791) Neptunea ventricosa (p. )
Neptunea vinosa (Dall, 1919) Neptunea vinosa (p. )
Nerita fulgurans Gmelin, 1791 Nerita fulgurans (p. )
Nerita peloronta Linnaeus, 1758 Nerita peloronta (p. )
Nerita tessellata Gmelin, 1791 Nerita tessellata (p. )
Nerita versicolor Gmelin, 1791 Nerita versicolor (p. )
Neritina usnea (Roding, 1798) Neritina usnea (p. )
Nesovitrea binneyana (Morse, 1864) Nesovitrea binneyana (p. )
Nesovitrea dalliana (Pilsbry & Simpson, 1889) Nesovitrea dalliana (p. )
Nesovitrea electrina (Gould, 1841) Nesovitrea electrina (p. )
Neverita duplicata (Say, 1822) Neverita duplicata (p. )
Neverita politiana (Dall, 1919) Neverita politiana (p. )
Nipponotrophon stuarti (Smith, 1880) Boreotrophon stuarti (p. )
Niso aeglees Bush, 1885 Niso aeglees (p. )
Niso hipolitensis Bartsch, 1917 Niso hipolitensis (p. )
Nitidella nitida (Lamarck, 1822) Nitidella nitida (p. )
Nitidiscala caamanoi (Dall & Bartsch, 1910) Nitidiscala caamanoi (p. )
Nitidiscala californica (Dall, 1917) Nitidiscala californica (p. )
Nitidiscala indianorum (Carpenter, 1864) Nitidiscala indianorum (p. )
Nitidiscala tincta (Carpenter, 1864) Nitidiscala tincta (p. )
Niveotectura funiculata (Carpenter, 1864) Niveotectura funiculata (p. )
Niveria antillarum (Schilder, 1922) Niveria antillarum (p. )
Niveria candidula (Gaskoin, 1836) Niveria candidula (p. )
Niveria nix (Schilder, 1922) Niveria nix (p. )
Niveria quadripunctata (Gray, 1827) Niveria quadripunctata (p. )
Niveria suffusa (Gray, 1827) Niveria suffusa (p. )
Nodilittorina dilatata (d'Orbigny, 1842) Nodilittorina dilatata (p. )
Nodilittorina mespillum (Megerle von Muhlfeld, 1824) Nodilittorina mespillum (p. )
Nodipecten nodosus (Linnaeus, 1758) Nodipecten nodosus (p. 30 )
Nodipecten subnodosus (Sowerby I, 1835) Nodipecten subnodosus (p. 30 )
Nodiscala spongiosa (Carpenter, 1864) Nodiscala spongiosa (p. )
Nodulotrophon coronatus (Adams & Adams, 1864) Boreotrophon coronatus (p. )
Noetia ponderosa (Say, 1822) Noetia ponderosa (p. 28 )
Norrisia norrisi (Sowerby II, 1838) Norrisia norrisi (p. )
Notarchus punctatus Philippi, 1836 Notarchus punctatus (p. 122 )
Notobranchaea macdonaldi Pelseneer, 1886 Notobranchaea macdonaldi (p. 122 )
Notogillia sathon Thompson, 1969 Notogillia sathon (p. )
Notogillia wetherbyi (Dall, 1885) Notogillia wetherbyi (p. )
Nototeredo knoxi (Bartsch, 1917) Nototeredo knoxi (p. )
Nototeredo norvagica (Spengler, 1792) Nototeredo norvagicus (p. )
Noumeaella rubrofasciata Gosliner, 1991 Noumeaella rubrofasciata (p. 132, 286 )
Nucella canaliculata (Duclos, 1832) Nucella canaliculata (p. )
Nucella emarginata (Deshayes, 1839) Nucella emarginata (p. )
Nucella lamellosa (Gmelin, 1791) Nucella lamellosa (p. )
Nucella lapillus (Linnaeus, 1758) Nucella lapillus (p. )
Nucella lima (Gmelin, 1791) Nucella lima (p. )
Nucula aegeensis Jeffreys, 1879 Nucula aegeensis (p. 25 )
Nucula calcicola Moore, 1977 Nucula calcicola (p. 25 )
Nucula carlottensis Dall, 1897 Nucula carlottensis (p. 25 )
Nucula crenulata Adams, 1856 Nucula crenulata (p. 25 )
Nucula delphinodonta Mighels & Adams, 1842 Nucula delphinodonta (p. 25 )
Nucula exigua Sowerby I, 1833 Nucula exigua (p. 25 )
Nucula groenlandica Posselt, 1898 Nucula groenlandica (p. 25 )
Nucula proxima Say, 1822 Nucula proxima (p. 25 )
Nuculana acuta (Conrad, 1832) Nuculana acuta (p. 25 )
Nuculana carpenteri (Dall, 1881) Nuculana carpenteri (p. 25 )
Nuculana caudata (Donovan, 1801) Nuculana caudata (p. 25 )
Nuculana concentrica (Say, 1824) Nuculana concentrica (p. 25 )
Nuculana hamata (Carpenter, 1864) Nuculana hamata (p. 25 )
Nuculana jamaicensis (d'Orbigny, 1842) Nuculana jamaicensis (p. 25 )
Nuculana minuta (Müller, 1776) Nuculana minuta (p. 25 )
Nuculana minuta (Müller, 1776) Nuculana parva (p. 25 )
Nuculana navisa (Dall, 1916) Nuculana navisa (p. 25 )
Nuculana pernula (Müller, 1779) Nuculana pernula (p. 26 )
Nuculana subaequilatera (Jeffreys, 1879) Nuculana subaequilatera (p. 26 )
Nuculana tenuisulcata (Couthouy, 1838) Nuculana tenuisulcata (p. 26 )
Nuculana verrilliana (Dall, 1886) Nuculana verrilliana (p. 26 )
Nutricola confusa (Gray, 1982) Nutricola confusa (p. )
Nutricola cymata (Dall, 1913) Nutricola cymata (p. )
Nutricola lordi (Baird, 1863) Nutricola lordi (p. )
Nutricola ovalis (Dall, 1902) Nutricola ovalis (p. )
Nutricola tantilla (Gould, 1853) Nutricola tantilla (p. )
Nuttallia nuttallii (Conrad, 1837) Nuttallia nuttallii (p. 45 )
Nuttallia obscurata (Reeve, 1857) Nuttallia obscurata (p. )
Obliquaria reflexa Rafinesque, 1820 Obliquaria reflexa (p. 35 )
Obovaria jacksoniana (Frierson, 1912) Obovaria jacksoniana (p. 35 )
Obovaria olivaria (Rafinesque, 1820) Obovaria olivaria (p. 35 )
Obovaria retusa (Lamarck, 1819) Obovaria retusa (p. 35 )
Obovaria rotulata (Wright, 1899) Obovaria rotulata (p. 35 )
Obovaria subrotunda (Rafinesque, 1820) Obovaria subrotunda (p. 35 )
Obovaria unicolor (Lea, 1845) Obovaria unicolor (p. 35 )
Oceanida graduata de Folin, 1870 Oceanida graduata (p. )
Ocenotrophon painei (Dall, 1903) Ocenotrophon painei (p. )
Ocinebrina atropurpurea (Carpenter, 1865) Ocinebrina atropurpurea (p. )
Ocinebrina barbarensis (Gabb, 1865) Ocinebrina barbarensis (p. )
Ocinebrina beta (Dall, 1919) Ocinebrina beta (p. )
Ocinebrina circumtexta (Stearns, 1871) Ocinebrina circumtexta (p. )
Ocinebrina foveolata (Hinds, 1844) Ocinebrina foveolata (p. )
Ocinebrina gracillima (Stearns, 1871) Ocinebrina gracillima (p. )
Ocinebrina inornata (Recluz, 1851) Ocinebrina inornata (p. )
Ocinebrina lurida (Middendorff, 1848) Ocinebrina lurida (p. )
Ocinebrina minor (Dall, 1919) Ocinebrina minor (p. )
Ocinebrina squamulifera (Carpenter, 1869) Ocinebrina squamulifera (p. )
Octopoteuthis danae Joubin, 1931 Octopoteuthis danae (p. 162 )
Octopoteuthis deletron Young, 1972 Octopoteuthis deletron (p. 162 )
Octopoteuthis megaptera (Verrill, 1885) Octopoteuthis megaptera (p. 162 )
Octopus bimaculatus Verrill, 1883 Octopus bimaculatus (p. 165 )
Octopus bimaculoides Pickford & McConnaughey, 1949 Octopus bimaculoides (p. 165 )
Octopus briareus Robson, 1929 Octopus briareus (p. 165 )
Octopus burryi Voss, 1950 Octopus burryi (p. 165 )
Octopus californicus (Berry, 1911) Octopus californicus (p. 165 )
Octopus carolinensis Verrill, 1884 Octopus carolinensis (p. 165 )
Octopus hummelincki Adam, 1936 Octopus filosus (p. 165 )
Octopus joubini Robson, 1929 Octopus joubini (p. 165 )
Octopus rubescens Berry, 1953 Octopus rubescens (p. 165 )
Octopus veligero Berry, 1953 Octopus veligero (p. 165 )
Octopus vulgaris Cuvier, 1797 Octopus vulgaris (p. 165 )
Ocythoe tuberculata Rafinesque, 1814 Ocythoe tuberculata (p. 166 )
Odostomia striata (Verrill, 1880) Odostomia striata (p. )
Okenia angelensis Lance, 1966 Okenia angelensis (p. 125 )
Okenia cupella (Vogel & Schultz, 1970) Okenia cupella (p. 125, 280 )
Okenia plana Baba, 1960 Okenia plana (p. 125, 280 )
Okenia quadricornis (Montagu, 1815) Okenia quadricornis (p. 125, 280 )
Okenia sapelona Marcus & Marcus, 1967 Okenia sapelona (p. 125, 280 )
Okenia vancouverensis (O'Donoghue, 1921) Okenia vancouverensis (p. 125 )
Olea hansineensis Agersborg, 1923 Olea hansineensis (p. 124 )
Oliva sayana Ravenel, 1834 Oliva sayana (p. )
Olivella alectona (Duclos, 1835) Olivella alectona (p. )
Olivella baetica Carpenter, 1864 Olivella baetica (p. )
Olivella biplicata (Sowerby I, 1825) Olivella biplicata (p. )
Olivella bullula (Reeve, 1850) Olivella bullula (p. )
Olivella floralia (Duclos, 1844) Olivella floralia (p. )
Olivella minuta (Link, 1807) Olivella minuta (p. )
Olivella mutica (Say, 1822) Olivella mutica (p. )
Olivella nivea (Gmelin, 1791) Olivella nivea (p. )
Olivella pusilla (Marrat, 1871) Olivella pusilla (p. )
Omalogyra atomus (Philippi, 1841) Omalogyra atomus (p. )
Ommastrephes bartramii (Lesueur, 1821) Ommastrephes bartrami (p. 163 )
Onchidella borealis Dall, 1871 Onchidella borealis (p. 160 )
Onchidella brattstroemi Marcus, 1978 Onchidella brattstroemi (p. 160 )
Onchidella carpenteri (Binney, 1860) Onchidella carpenteri (p. 160 )
Onchidella floridana (Dall, 1885) Onchidella floridana (p. 160 )
Onchidella wah Marcus, 1978 Onchidella wah (p. 160 )
Onchidiopsis glacialis (Sars, 1851) Onchidiopsis glacialis (p. )
Onchidiopsis kingmaruensis Russell, 1942 Onchidiopsis kingmaruensis (p. )
Onchidoris bilamellata (Linnaeus, 1761) Onchidoris bilamellata (p. 126 )
Onchidoris diademata (Gould, 1870) Onchidoris diademata (p. 126, 280 )
Onchidoris grisea (Gould, 1870) Onchidoris grisea (p. 126, 280 )
Onchidoris muricata (Müller, 1776) Onchidoris muricata (p. 126 )
Onchidoris tenella (Gould, 1870) Onchidoris tenella (p. 126, 280 )
Onoba aculeus (Gould, 1841) Onoba aculeus (p. )
Onobops crassus (Thompson, 1968) Onobops crassus (p. )
Onobops jacksoni (Bartsch, 1953) Onobops jacksoni (p. )
Onychoteuthis banksii (Leach, 1817) Onychoteuthis banksi (p. 163 )
Onychoteuthis borealijaponica Okada, 1927 Onychoteuthis borealijaponicus (p. 163 )
Onykia carriboea Lesueur, 1821 Onykia carriboea (p. 163 )
Onykia robusta (Verrill, 1876) Moroteuthis robusta (p. 162 )
Oocorys bartschi Rehder, 1943 Oocorys bartschi (p. )
Oocorys sulcata Fischer, 1883 Oocorys sulcata (p. )
Opalia borealis Keep, 1881 Opalia borealis (p. )
Opalia crenata (Linnaeus, 1758) Opalia crenata (p. )
Opalia eolis Clench & Turner, 1950 Opalia eolis (p. )
Opalia funiculata (Carpenter, 1857) Opalia funiculata (p. )
Opalia hotessieriana (d'Orbigny, 1842) Opalia hotessieriana (p. )
Opalia infrequens (Adams, 1852) Opalia infrequens (p. )
Opalia montereyensis (Dall, 1907) Opalia montereyensis (p. )
Opalia pumilio (Morch, 1874) Opalia pumilio (p. )
Opaliopsis atlantis (Clench & Turner, 1952) Opaliopsis atlantis (p. )
Opaliopsis concava (Dall, 1889) Opaliopsis concava (p. )
Ophiodermella cancellata (Carpenter, 1864) Ophiodermella cancellata (p. )
Ophiodermella inermis (Reeve, 1843) Ophiodermella inermis (p. )
Opisthoteuthis californiana Berry, 1949 Opisthoteuthis californiana (p. 165 )
Ornithoteuthis antillarum Adam, 1957 Ornithoteuthis antillarum (p. 164 )
Orobitella californica (Dall, 1899) Orobitella californica (p. 40 )
Orobitella floridana (Dall, 1899) Orobitella floridana (p. 40 )
Orobitella limpida (Dall, 1899) Orobitella limpida (p. 40 )
Ostrea conchaphila (Carpenter, 1857) Ostrea conchaphila (p. 31 )
Ostrea edulis Linnaeus, 1758 Ostrea edulis (p. 32 )
Ostrea equestris (Say, 1834) Ostrea equestris (p. 32 )
Oxychilus alliarius (Miller, 1822) Oxychilus alliarius (p. )
Oxychilus cellarius (Müller, 1774) Oxychilus cellarius (p. )
Oxychilus draparnaudi (Beck, 1837) Oxychilus draparnaudi (p. )
Oxychilus helveticus (Blum, 1881) Oxychilus helveticus (p. )
Oxynoe antillarum Morch, 1863 Oxynoe antillarum (p. 123 )
Oxynoe azuropunctata Jensen, 1980 Oxynoe azuropunctata (p. 123 )
Paedoclione doliiformis Danforth, 1907 Paedoclione doliiformis (p. 121 )
Palio dubia (Sars, 1829) Palio dubia (p. 126, 281 )
Palio nothus (Johnston, 1838) Palio nothus (p. 126, 281 )
Palio pallida Bergh, 1880 Palio pallida (p. 126, 281 )
Palio zosterae (O'Donoghue, 1924) Palio zosterae (p. 126, 281 )
Palisa kristenseni (Marcus & Marcus, 1963) Palisa kristenseni (p. 132, 286 )
Palliolum striatum (Müller, 1776) Palliolum striatum (p. 30 )
Panacca arata (Verrill & Smith, 1881) Panacca arata (p. )
Pandora arenosa Conrad, 1834 Pandora arenosa (p. )
Pandora bilirata Conrad, 1855 Pandora bilirata (p. )
Pandora bushiana Dall, 1886 Pandora bushiana (p. )
Pandora filosa (Carpenter, 1864) Pandora filosa (p. )
Pandora glacialis Leach, 1819 Pandora glacialis (p. )
Pandora gouldiana Dall, 1886 Pandora gouldiana (p. )
Pandora inflata Boss & Merrill, 1965 Pandora inflata (p. )
Pandora inornata Verrill & Bush, 1898 Pandora inornata (p. )
Pandora punctata Conrad, 1837 Pandora punctata (p. )
Pandora trilineata Say, 1822 Pandora trilineata (p. )
Pandora wardiana Adams, 1859 Pandora wardiana (p. )
Panomya ampla Dall, 1898 Panomya ampla (p. )
Panomya norvegica (Spengler, 1793) Panomya norvegica (p. )
Panomya priapus (Tilesius, 1822) Panomya priapus (p. )
Panopea abrupta (Conrad, 1849) Panopea abrupta (p. )
Panopea bitruncata (Conrad, 1872) Panopea bitruncata (p. )
Papyridea semisulcata (Gray, 1825) Papyridea semisulcata (p. 42 )
Papyridea soleniformis (Bruguiere, 1789) Papyridea soleniformis (p. 42 )
Parabornia squillina Boss, 1965 Parabornia squillina (p. 40 )
Paraclione longicaudata (Souleyet, 1852) Paraclione longicaudata (p. 121 )
Paradentalium americanum (Chenu, 1843) Dentalium americanum (p. 54 )
Parahyotissa mcgintyi Harry, 1985 Parahyotissa mcgintyi (p. 32 )
Paramya subovata (Conrad, 1845) Paramya subovata (p. )
Parapholas californica (Conrad, 1837) Parapholas californica (p. )
Parastarte triquetra (Conrad, 1846) Parastarte triquetra (p. )
Parathyasira equalis (Verrill & Bush, 1898) Thyasira equalis (p. 39 )
Paravitrea alethia Hubricht, 1978 Paravitrea alethia (p. )
Paravitrea amicalola Hubricht, 1976 Paravitrea amicalola (p. )
Paravitrea andrewsae (Binney, 1879) Paravitrea andrewsae (p. )
Paravitrea bellona Hubricht, 1978 Paravitrea bellona (p. )
Paravitrea bidens Hubricht, 1963 Paravitrea bidens (p. )
Paravitrea blarina Hubricht, 1963 Paravitrea blarina (p. )
Paravitrea calcicola Baker, 1931 Paravitrea calcicola (p. )
Paravitrea capsella (Gould, 1851) Paravitrea capsella (p. )
Paravitrea ceres Hubricht, 1978 Paravitrea ceres (p. )
Paravitrea clappi (Pilsbry, 1898) Paravitrea clappi (p. )
Paravitrea conecuhensis (Clapp, 1917) Paravitrea conecuhensis (p. )
Paravitrea dentilla Hubricht, 1978 Paravitrea dentilla (p. )
Paravitrea diana Hubricht, 1983 Paravitrea diana (p. )
Paravitrea grimmi Hubricht, 1968 Paravitrea grimmi (p. )
Paravitrea hera Hubricht, 1983 Paravitrea hera (p. )
Paravitrea lacteodens (Pilsbry, 1903) Paravitrea lacteodens (p. )
Paravitrea lamellidens (Pilsbry, 1898) Paravitrea lamellidens (p. )
Paravitrea lapilla Hubricht, 1965 Paravitrea lapilla (p. )
Paravitrea metallacta Hubricht, 1963 Paravitrea metallacta (p. )
Paravitrea mira Hubricht, 1975 Paravitrea mira (p. )
Paravitrea multidentata (Binney, 1840) Paravitrea multidentata (p. )
Paravitrea petrophila (Bland, 1883) Paravitrea petrophila (p. )
Paravitrea pilsbryana (Clapp, 1919) Paravitrea pilsbryana (p. )
Paravitrea placentula (Shuttleworth, 1852) Paravitrea placentula (p. )
Paravitrea pontis Baker, 1931 Paravitrea pontis (p. )
Paravitrea septadens Hubricht, 1978 Paravitrea septadens (p. )
Paravitrea seradens Hubricht, 1972 Paravitrea seradens (p. )
Paravitrea significans (Bland, 1866) Paravitrea significans (p. )
Paravitrea simpsoni (Pilsbry, 1889) Paravitrea simpsoni (p. )
Paravitrea smithi (Walker, 1928) Paravitrea smithi (p. )
Paravitrea subtilis Hubricht, 1978 Paravitrea subtilis (p. )
Paravitrea tantilla Hubricht, 1963 Paravitrea tantilla (p. )
Paravitrea ternaria Hubricht, 1978 Paravitrea ternaria (p. )
Paravitrea tiara Hubricht, 1978 Paravitrea tiara (p. )
Paravitrea toma Hubricht, 1975 Paravitrea toma (p. )
Paravitrea tridens Pilsbry, 1946 Paravitrea tridens (p. )
Paravitrea umbilicaris (Ancey, 1887) Paravitrea umbilicaris (p. )
Paravitrea variabilis Baker, 1929 Paravitrea variabilis (p. )
Paravitrea varidens Hubricht, 1978 Paravitrea varidens (p. )
Parvamussium alaskense (Dall, 1871) Parvamussium alaskense (p. 31 )
Parvanachis obesa (Adams, 1845) Parvanachis obesa (p. )
Parvanachis ostreicola (Sowerby III, 1882) Parvanachis ostreicola (p. )
Parvicardium pinnulatum (Conrad, 1831) Cerastoderma pinnulatum (p. 42 )
Parvilucina approximata (Dall, 1901) Parvilucina approximata (p. )
Parvilucina costata (d'Orbigny, 1842) Parvilucina costata (p. 38 )
Parvilucina multilineata (Tuomey & Holmes, 1857) Parvilucina multilineata (p. 38 )
Parvilucina tenuisculpta (Carpenter, 1864) Parvilucina tenuisculpta (p. 38 )
Parviturbo acuticostatus (Carpenter, 1864) Parviturbo acuticostatus (p. )
Parviturbo calidimaris Pilsbry & McGinty, 1945 Parviturbo calidimaris (p. )
Parviturboides interruptus (Adams, 1850) Parviturboides interruptus (p. )
Patelloida pustulata (Helbling, 1779) Patelloida pustulata (p. )
Patinopecten caurinus (Gould, 1850) Patinopecten caurinus (p. 30 )
Pecosorbis kansasensis (Berry, 1966) Pecosorbis kansasensis (p. 135, 288 )
Pecten chazaliei Dautzenberg, 1900 Pecten chazaliei (p. )
Pectinella sigsbeei (Dall, 1886) Pectinella sigsbeei (p. 30 )
Pedicularia californica Newcomb, 1864 Pedicularia californica (p. )
Pedicularia decussata Gould, 1855 Pedicularia decussata (p. )
Pedipes angulatus Adams, 1852 Pedipes angulatus (p. 133 )
Pedipes mirabilis (Mühlfeld, 1816) Pedipes mirabilis (p. 133, 288 )
Pedipes ovalis (Adams, 1849) Pedipes ovalis (p. 133, 288 )
Pedipes unisulcatus Cooper, 1866 Pedipes unisulcatus (p. 133, 288 )
Pegias fabula (Lea, 1838) Pegias fabula (p. 35 )
Peltodoris greeleyi MacFarland, 1909 Peltodoris greeleyi (p. 128 )
Penitella conradi Valenciennes, 1846 Penitella conradi (p. )
Penitella fitchi Turner, 1955 Penitella fitchi (p. )
Penitella hopkinsi Kennedy & Armentrout, 1989 Penitella hopkinsi (p. )
Penitella penita (Conrad, 1837) Penitella penita (p. )
Penitella richardsoni Kennedy, 1989 Penitella richardsoni (p. )
Penitella turnerae Evans & Fisher, 1966 Penitella turnerae (p. )
Peracle diversa (Monterosato, 1875) Peracle bispinosa (p. 121 )
Peracle diversa (Monterosato, 1875) Peracle diversa (p. 121, 276 )
Peracle reticulata (d'Orbigny, 1835) Peracle reticulata (p. 121 )
Peracle triacantha Fischer, 1882 Peracle triacantha (p. 121 )
Periglypta listeri (Gray, 1838) Periglypta listeri (p. )
Periploma affine Verrill & Bush, 1898 Periploma affine (p. )
Periploma aleuticum (Krause, 1885) Periploma aleuticum (p. )
Periploma anguliferum (Philippi, 1847) Periploma anguliferum (p. )
Periploma discus Stearns, 1890 Periploma discus (p. )
Periploma fragile (Totten, 1835) Periploma fragile (p. )
Periploma leanum (Conrad, 1831) Periploma leanum (p. )
Periploma margaritaceum (Lamarck, 1801) Periploma margaritaceum (p. )
Periploma papyratium (Say, 1822) Periploma papyratium (p. )
Periploma planiusculum Sowerby I, 1834 Periploma planiusculum (p. )
Periploma tenerum Fischer, 1882 Periploma tenerum (p. )
Perna perna (Linnaeus, 1758) Perna perna (p. 27 )
Perotrochus amabilis (Bayer, 1963) Perotrochus amabilis (p. )
Persicula pulcherrima (Gaskoin, 1849) Persicula pulcherrima (p. )
Petalifera ramosa Baba, 1959 Petalifera ramosa (p. 123 )
Petaloconchus compactus (Carpenter, 1864) Petaloconchus compactus (p. )
Petaloconchus erectus (Dall, 1888) Petaloconchus erectus (p. )
Petaloconchus montereyensis Dall, 1919 Petaloconchus montereyensis (p. )
Petaloconchus varians (d'Orbigny, 1841) Petaloconchus varians (p. )
Petrasma pervernicosa (Kuroda, 1948) Solemya reidi (p. 25 )
Petricola californiensis Pilsbry & Lowe, 1932 Petricola californiensis (p. )
Petricola carditoides (Conrad, 1837) Petricola carditoides (p. )
Petricola hertzana Coan, 1997 Petricola hertzana (p. )
Petricola lapicida (Gmelin, 1791) Petricola lapicida (p. )
Petricolaria pholadiformis (Lamarck, 1818) Petricolaria pholadiformis (p. )
Phalium coronadoi (Crosse, 1867) Phalium coronadoi (p. )
Phenacovolva piragua (Dall, 1889) Phenacovolva piragua (p. )
Phidiana hiltoni (O'Donoghue, 1927) Phidiana hiltoni (p. 132 )
Phidiana lynceus Bergh, 1867 Phidiana lynceus (p. 132 )
Philine alba Mattox, 1958 Philine alba (p. 118 )
Philine angulata Jeffreys, 1867 Philine angulata (p. 118 )
Philine auriformis Suter, 1909 Philine auriformis (p. 118, 274 )
Philine bakeri Dall, 1919 Philine bakeri (p. 118 )
Philine californica Willett, 1944 Philine californica (p. 118 )
Philine cingulata Sars, 1878 Philine cingulata (p. 118 )
Philine fragilis Sars, 1878 Philine fragilis (p. 118 )
Philine lima (Brown, 1825) Philine lima (p. 118 )
Philine polaris Aurivillius, 1885 Philine polaris (p. 118 )
Philine polystrigma (Dall, 1908) Philine polystrigma (p. 118, 274 )
Philine sagra (d'Orbigny, 1841) Philine sagra (p. 118 )
Philine sinuata Stimpson, 1851 Philine sinuata (p. 118, 274 )
Philine tincta Verrill, 1882 Philine tincta (p. 118 )
Philinopsis pusa (Marcus & Marcus, 1966) Philinopsis pusa (p. 119 )
Philobrya setosa (Carpenter, 1864) Philobrya setosa (p. 28 )
Pholas campechiensis Gmelin, 1791 Pholas campechiensis (p. )
Pholidoteuthis adami Voss, 1956 Pholidoteuthis adami (p. 162 )
Phreatoceras taylori (Hershler & Longley, 1986) Phreatoceras taylori (p. )
Phreatodrobia conica Hershler & Longley, 1986 Phreatodrobia conica (p. )
Phreatodrobia imitata Hershler & Longley, 1986 Phreatodrobia imitata (p. )
Phreatodrobia micra (Pilsbry & Ferriss, 1906) Phreatodrobia micra (p. )
Phreatodrobia nugax (Pilsbry & Ferriss, 1906) Phreatodrobia nugax (p. )
Phreatodrobia plana Hershler & Longley, 1986 Phreatodrobia plana (p. )
Phreatodrobia punctata Hershler & Longley, 1986 Phreatodrobia punctata (p. )
Phreatodrobia rotunda Hershler & Longley, 1986 Phreatodrobia rotunda (p. )
Phrontis vibex (Say, 1822) Nassarius vibex (p. )
Phyllaplysia engeli Marcus, 1955 Phyllaplysia engeli (p. 122, 276 )
Phyllaplysia smaragda Clark, 1977 Phyllaplysia smaragda (p. 122, 276 )
Phyllaplysia taylori Dall, 1900 Phyllaplysia taylori (p. 123 )
Phyllidiopsis blanca Gosliner & Behrens, 1988 Phyllidiopsis blanca (p. 128, 283 )
Phylliroe atlantica Bergh, 1871 Phylliroe atlantica (p. 129 )
Phylliroe bucephalum Peron & Lesueur, 1810 Phylliroe bucephalum (p. 130 )
Phyllonotus pomum (Gmelin, 1791) Chicoreus pomum (p. )
Physa jennessi Dall, 1919 Physa jennessi (p. 134 )
Physa megalochlamys Taylor, 1988 Physa megalochlamys (p. 134 )
Physa natricina Taylor, 1988 Physa natricina (p. 134 )
Physa siberica Westerlund, 1876 Physa siberica (p. 134 )
Physa skinneri Taylor, 1954 Physa skinneri (p. 134 )
Physa vernalis Taylor & Jokinen, 1984 Physa vernalis (p. 134 )
Physella acuta (Draparnaud, 1805) Physella acuta (p. 134 )
Physella ancillaria (Say, 1825) Physella ancillaria (p. 134 )
Physella bermudezi (Aguayo, 1935) Physella bermudezi (p. 134 )
Physella bottimeri (Clench, 1924) Physella bottimeri (p. 134 )
Physella boucardi (Crosse & Fischer, 1881) Physella boucardi (p. 134 )
Physella columbiana (Hemphill, 1890) Physella columbiana (p. 134 )
Physella conoidea (Fischer & Crosse, 1886) Physella conoidea (p. 134 )
Physella cooperi (Tryon, 1865) Physella cooperi (p. 134 )
Physella costata (Newcomb, 1861) Physella costata (p. 134 )
Physella cubensis (Pfeiffer, 1839) Physella cubensis (p. 134 )
Physella globosa (Haldeman, 1841) Physella globosa (p. 134 )
Physella gyrina (Say, 1821) Physella gyrina (p. 134 )
Physella hendersoni (Clench, 1925) Physella hendersoni (p. 134 )
Physella heterostropha (Say, 1817) Physella heterostropha (p. 134 )
Physella hordacea (Lea, 1864) Physella hordacea (p. 135 )
Physella humerosa (Gould, 1855) Physella humerosa (p. 135 )
Physella integra (Haldeman, 1841) Physella integra (p. 135 )
Physella johnsoni (Clench, 1926) Physella johnsoni (p. 135 )
Physella lordi (Baird, 1863) Physella lordi (p. 135 )
Physella magnalacustris (Walker, 1901) Physella magnalacustris (p. 135 )
Physella mexicana (Philippi, 1841) Physella mexicana (p. 135 )
Physella microstriata (Chamberlin & Berry, 1930) Physella microstriata (p. 135 )
Physella osculans (Haldeman, 1841) Physella osculans (p. 135 )
Physella parkeri (Currier, 1881) Physella parkeri (p. 135 )
Physella propinqua (Tryon, 1865) Physella propinqua (p. 135 )
Physella spelunca (Turner & Clench, 1974) Physella spelunca (p. 135 )
Physella squalida (Morelet, 1851) Physella squalida (p. 135 )
Physella traski (Lea, 1864) Physella traski (p. 135 )
Physella utahensis (Clench, 1925) Physella utahensis (p. 135 )
Physella vinosa (Gould, 1847) Physella vinosa (p. 135 )
Physella virgata (Gould, 1855) Physella virgata (p. 135 )
Physella virginea (Gould, 1847) Physella virginea (p. 135 )
Physella wrighti Te & Clarke, 1985 Physella wrighti (p. 135 )
Physella zionis (Pilsbry, 1926) Physella zionis (p. 135 )
Pickfordiateuthis pulchella Voss, 1953 Pickfordiateuthis pulchella (p. 161 )
Pilsbryna aurea Baker, 1929 Pilsbryna aurea (p. )
Pilsbryna castanea Baker, 1931 Pilsbryna castanea (p. )
Pilsbryspira albomaculata (d'Orbigny, 1842) Pilsbryspira albomaculata (p. )
Pilsbryspira leucocyma (Dall, 1884) Pilsbryspira leucocyma (p. )
Pinctada imbricata Roding, 1798 Pinctada imbricata (p. 29 )
Pinctada margaritifera (Linnaeus, 1758) Pinctada margaritifera (p. 29 )
Pinna carnea Gmelin, 1791 Pinna carnea (p. 29 )
Pisania pusio (Linnaeus, 1758) Pisania pusio (p. )
Pisidium adamsi Stimpson, 1851 Pisidium adamsi (p. )
Pisidium amnicum (Müller, 1774) Pisidium amnicum (p. )
Pisidium casertanum (Poli, 1791) Pisidium casertanum (p. )
Pisidium compressum Prime, 1852 Pisidium compressum (p. )
Pisidium conventus Clessin, 1877 Pisidium conventus (p. )
Pisidium cruciatum Sterki, 1895 Pisidium cruciatum (p. )
Pisidium dubium (Say, 1817) Pisidium dubium (p. )
Pisidium equilaterale Prime, 1852 Pisidium equilaterale (p. )
Pisidium fallax Sterki, 1896 Pisidium fallax (p. )
Pisidium ferrugineum Prime, 1852 Pisidium ferrugineum (p. )
Pisidium henslowanum (Sheppard, 1825) Pisidium henslowanum (p. )
Pisidium idahoense Roper, 1890 Pisidium idahoense (p. )
Pisidium insigne Gabb, 1868 Pisidium insigne (p. )
Pisidium lilljeborgi (Clessin, 1886) Pisidium lilljeborgi (p. )
Pisidium milium Held, 1836 Pisidium milium (p. )
Pisidium nitidum Jenyns, 1832 Pisidium nitidum (p. )
Pisidium punctatum Sterki, 1895 Pisidium punctatum (p. )
Pisidium punctiferum (Guppy, 1867) Pisidium punctiferum (p. )
Pisidium rotundatum Prime, 1852 Pisidium rotundatum (p. )
Pisidium sanguinichristi Taylor, 1987 Pisidium sanguinichristi (p. )
Pisidium subtruncatum Malm, 1855 Pisidium subtruncatum (p. )
Pisidium supinum Schmidt, 1850 Pisidium supinum (p. )
Pisidium ultramontanum Prime, 1865 Pisidium ultramontanum (p. )
Pisidium variabile Prime, 1852 Pisidium variabile (p. )
Pisidium ventricosum Prime, 1851 Pisidium ventricosum (p. )
Pisidium walkeri Sterki, 1895 Pisidium walkeri (p. )
Pitar arestus (Dall & Simpson, 1901) Pitar arestus (p. )
Pitar fulminatus (Menke, 1828) Pitar fulminatus (p. )
Pitar morrhuanus (Dall, 1902) Pitar morrhuanus (p. )
Pitar newcombianus (Gabb, 1865) Pitar newcombianus (p. )
Pitar pilula Rehder, 1943 Pitar pilula (p. )
Pitar simpsoni (Dall, 1895) Pitar simpsoni (p. )
Pitar zonatus (Dall, 1902) Pitar zonatus (p. )
Pitarenus cordatus (Schwengel, 1951) Pitar cordatus (p. )
Placiphorella borealis Pilsbry, 1893 Placiphorella borealis (p. )
Placiphorella rufa Berry, 1917 Placiphorella rufa (p. )
Placiphorella velata Dall, 1879 Placiphorella velata (p. )
Placopecten magellanicus (Gmelin, 1791) Placopecten magellanicus (p. 30 )
Planctoteuthis danae (Joubin, 1931) Valbyteuthis danae (p. 1664 )
Planctoteuthis oligobessa (Young, 1972) Valbyteuthis oligobessa (p. 164 )
Planktomya henseni Simroth, 1896 Planktomya henseni (p. 41 )
Planorbella ammon (Gould, 1855) Planorbella ammon (p. 135 )
Planorbella binneyi (Tryon, 1867) Planorbella binneyi (p. 136 )
Planorbella campanulata (Say, 1821) Planorbella campanulata (p. 136 )
Planorbella columbiensis (Baker, 1945) Planorbella columbiensis (p. 136 )
Planorbella corpulenta (Say, 1824) Planorbella corpulenta (p. 136 )
Planorbella duryi (Wetherby, 1879) Planorbella duryi (p. 136 )
Planorbella magnifica (Pilsbry, 1903) Planorbella magnifica (p. 136 )
Planorbella multivolvis (Case, 1847) Planorbella multivolvis (p. 136 )
Planorbella occidentalis (Cooper, 1870) Planorbella occidentalis (p. 136 )
Planorbella oregonensis (Tryon, 1865) Planorbella oregonensis (p. 136 )
Planorbella pilsbryi (Baker, 1926) Planorbella pilsbryi (p. 136 )
Planorbella scalaris (Jay, 1839) Planorbella scalaris (p. 136 )
Planorbella subcrenata (Carpenter, 1857) Planorbella subcrenata (p. 136 )
Planorbella tenuis (Dunker, 1850) Planorbella tenuis (p. 136 )
Planorbella traski (Lea, 1856) Planorbella traski (p. 136 )
Planorbella trivolvis (Say, 1817) Planorbella trivolvis (p. 136 )
Planorbella truncata (Miles, 1861) Planorbella truncata (p. 136 )
Planorbula armigera (Say, 1821) Planorbella armigera (p. 135 )
Planorbula campestris (Dawson, 1875) Planorbella campestris (p. 136 )
Platydoris angustipes (Morch, 1863) Platydoris angustipes (p. 128 )
Platydoris macfarlandi Hanna, 1951 Platydoris macfarlandi (p. 128 )
Platyodon cancellatus (Conrad, 1837) Platyodon cancellatus (p. )
Plectodon granulatus (Dall, 1881) Plectodon granulatus (p. )
Plectodon scaber Carpenter, 1864 Plectodon scaber (p. )
Plectomerus dombeyanus (Valenciennes, 1827) Plectomerus dombeyanus (p. 35 )
Plesiocystiscus politulus (Dall, 1919) Plesiocystiscus politulus (p. )
Plethobasus cicatricosus (Say, 1829) Plethobasus cicatricosus (p. 35 )
Plethobasus cooperianus (Lea, 1834) Plethobasus cooperianus (p. 35 )
Plethobasus cyphyus (Rafinesque, 1820) Plethobasus cyphyus (p. 35 )
Pleurobema altum (Conrad, 1854) Pleurobema altum (p. 36 )
Pleurobema avellanum Simpson, 1900 Pleurobema avellanum (p. )
Pleurobema beadleianum (Lea, 1861) Pleurobema beadleianum (p. 36 )
Pleurobema bournianum (Lea, 1840) Pleurobema bournianum (p. )
Pleurobema chattanoogaense (Lea, 1858) Pleurobema chattanoogaense (p. )
Pleurobema clava (Lamarck, 1819) Pleurobema clava (p. 36 )
Pleurobema collina (Conrad, 1837) Pleurobema collina (p. 36 )
Pleurobema cordatum (Rafinesque, 1820) Pleurobema cordatum (p. 36 )
Pleurobema curtum (Lea, 1859) Pleurobema curtum (p. 36 )
Pleurobema decisum (Lea, 1831) Pleurobema decisum (p. 36 )
Pleurobema flavidulum (Lea, 1861) Pleurobema flavidulum (p. )
Pleurobema furvum (Conrad, 1834) Pleurobema furvum (p. 36 )
Pleurobema georgianum (Lea, 1841) Pleurobema georgianum (p. 36 )
Pleurobema gibberum (Lea, 1838) Pleurobema gibberum (p. 36 )
Pleurobema hagleri (Frierson, 1900) Pleurobema hagleri (p. )
Pleurobema johannis (Lea, 1859) Pleurobema johannis (p. )
Pleurobema marshalli Frierson, 1927 Pleurobema marshalli (p. 36 )
Pleurobema murrayense (Lea, 1868) Pleurobema murrayense (p. )
Pleurobema nucleopsis (Conrad, 1849) Pleurobema nucleopsis (p. )
Pleurobema oviforme (Conrad, 1834) Pleurobema oviforme (p. 36 )
Pleurobema perovatum (Conrad, 1834) Pleurobema perovatum (p. 36 )
Pleurobema plenum (Lea, 1840) Pleurobema plenum (p. 36 )
Pleurobema pyriforme (Lea, 1857) Pleurobema pyriforme (p. 36 )
Pleurobema riddellii (Lea, 1861) Pleurobema riddellii (p. 36 )
Pleurobema rubellum (Conrad, 1834) Pleurobema rubellum (p. )
Pleurobema rubrum (Rafinesque, 1820) Pleurobema rubrum (p. 36 )
Pleurobema sintoxia (Rafinesque, 1820) Pleurobema sintoxia (p. 36 )
Pleurobema strodeanum (Wright, 1898) Pleurobema strodeanum (p. 36 )
Pleurobema taitianum (Lea, 1834) Pleurobema taitianum (p. 36 )
Pleurobema troschelianum (Lea, 1852) Pleurobema troschelianum (p. )
Pleurobema verum (Lea, 1861) Pleurobema verum (p. )
Pleurobranchaea bonnieae Marcus & Gosliner, 1984 Pleurobranchaea bonnieae (p. 125 )
Pleurobranchaea californica MacFarland, 1966 Pleurobranchaea californica (p. 125 )
Pleurobranchaea inconspicua Bergh, 1897 Pleurobranchaea inconspicua (p. 125 )
Pleurobranchaea tarda Verrill, 1880 Pleurobranchaea tarda (p. 125 )
Pleurobranchus areolatus Morch, 1863 Pleurobranchus areolatus (p. 125 )
Pleurobranchus reesi White, 1952 Pleurobranchus reesi (p. 125 )
Pleurocera acuta Rafinesque, 1831 Pleurocera acuta (p. )
Pleurocera alveare (Conrad, 1834) Pleurocera alveare (p. )
Pleurocera annulifera (Conrad, 1834) Pleurocera annulifera (p. )
Pleurocera brumbyi (Lea, 1852) Pleurocera brumbyi (p. )
Pleurocera canaliculata (Say, 1821) Pleurocera canaliculata (p. )
Pleurocera corpulenta (Anthony, 1854) Pleurocera corpulenta (p. )
Pleurocera curta (Haldeman, 1841) Pleurocera curta (p. )
Pleurocera foremani (Lea, 1843) Pleurocera foremani (p. )
Pleurocera gradata (Anthony, 1854) Pleurocera gradata (p. )
Pleurocera nobilis (Lea, 1845) Pleurocera nobilis (p. )
Pleurocera parva (Lea, 1862) Pleurocera parva (p. )
Pleurocera postelli (Lea, 1862) Pleurocera postelli (p. )
Pleurocera prasinata (Conrad, 1834) Pleurocera prasinata (p. )
Pleurocera pyrenella (Conrad, 1834) Pleurocera pyrenella (p. )
Pleurocera showalteri (Lea, 1862) Pleurocera showalteri (p. )
Pleurocera trochiformis (Conrad, 1834) Pleurocera trochiformis (p. )
Pleurocera uncialis (Haldeman, 1841) Pleurocera uncialis (p. )
Pleurocera vestita (Conrad, 1834) Pleurocera vestita (p. )
Pleurocera walkeri Goodrich, 1928 Pleurocera walkeri (p. )
Pleuromeris armilla (Dall, 1903) Pleuromeris armilla (p. 41 )
Pleuromeris tridentata (Say, 1826) Pleuromeris tridentata (p. 41 )
Plicatula gibbosa Lamarck, 1801 Plicatula gibbosa (p. 31 )
Plicifusus kroyeri (Møller, 1842) Colus kroyeri (p. )
Plicopurpura patula (Linnaeus, 1758) Plicopurpura patula (p. )
Pneumoderma mediterraneum (van Beneden, 1838) Pneumoderma mediterraneum (p. 122 )
Pneumoderma violaceum (d'Orbigny, 1836) Pneumoderma violaceum (p. 122 )
Pneumodermopsis macrochira (Meisenheimer, 1905) Pneumodermopsis macrochira (p. 122 )
Pneumodermopsis paucidens (Boas, 1886) Pneumodermopsis paucidens (p. 122, 276 )
Pododesmus macrochisma (Deshayes, 1839) Pododesmus macrochisma (p. 31 )
Pododesmus pernoides (Gray, 1853) Pododesmus pernoides (p. 31 )
Pododesmus rudis (Broderip, 1834) Pododesmus rudis (p. 31 )
Policordia gemma (Verrill, 1880) Policordia gemma (p. )
Polinices hepaticus (Roding, 1798) Polinices hepaticus (p. )
Polinices lacteus (Guilding, 1834) Polinices lacteus (p. )
Polinices uberinus (d'Orbigny, 1842) Polinices uberinus (p. )
Pollia auritula (Link, 1807) Pollia auritula (p. )
Pollia tincta Conrad, 1846 Pollia tincta (p. )
Polycera atra MacFarland, 1905 Polycera atra (p. 126 )
Polycera aurisula Marcus, 1957 Polycera aurisula (p. 126 )
Polycera chilluna Marcus, 1961 Polycera chilluna (p. 126, 281 )
Polycera hedgpethi Marcus, 1964 Polycera hedgpethi (p. 126 )
Polycera hummi Abbott, 1952 Polycera hummi (p. 126 )
Polycera odhneri Marcus, 1955 Polycera odhneri (p. 126 )
Polycera rycia Marcus & Marcus, 1970 Polycera rycia (p. 126, 281 )
Polycera tricolor Robilliard, 1971 Polycera tricolor (p. 126 )
Polycerella emertoni Verrill, 1880 Polycerella emertoni (p. 126, 281 )
Polycerella glandulosa Behrens & Gosliner, 1988 Polycerella glandulosa (p. 126, 281 )
Polygireulima rutila (Carpenter, 1866) Polygireulima rutila (p. )
Polymesoda caroliniana (Bosc, 1801) Polymesoda caroliniana (p. 46 )
Polymesoda maritima (d'Orbigny, 1842) Polymesoda maritima (p. 46 )
Polyschides carolinensis (Bush, 1885) Polyschides carolinensis (p. 55 )
Polyschides elongatus (Henderson, 1920) Polyschides elongatus (p. 55 )
Polyschides miamiensis (Henderson, 1920) Polyschides miamiensis (p. 55 )
Polyschides quadrifissatus (Pilsbry & Sharp, 1898) Siphonodentalium quadrifissatum (p. 55 )
Polyschides rushii (Pilsbry & Sharp, 1898) Polyschides rushii (p. 55 )
Polyschides tetraschistus (Watson, 1879) Polyschides quadridentatus (p. 55 )
Polyschides tetrodon (Pilsbry & Sharp, 1898) Polyschides tetrodon (p. 55 )
Polystira albida (Perry, 1811) Polystira albida (p. )
Polystira tellea (Dall, 1889) Polystira tellea (p. )
Polystira vibex (Dall, 1889) Polystira vibex (p. )
Pomacea bridgesii (Reeve, 1856) Pomacea bridgesi (p. )
Pomacea canaliculata (Lamarck, 1828) Pomacea canaliculata (p. )
Pomacea haustrum (Reeve, 1858) Pomacea haustrum (p. )
Pomacea paludosa (Say, 1829) Pomacea paludosa (p. )
Pomatiopsis binneyi Tryon, 1863 Pomatiopsis binneyi (p. )
Pomatiopsis californica Pilsbry, 1899 Pomatiopsis californica (p. )
Pomatiopsis chacei Pilsbry, 1937 Pomatiopsis chacei (p. )
Pomatiopsis cincinnatiensis (Lea, 1840) Pomatiopsis cincinnatiensis (p. )
Pomatiopsis lapidaria (Say, 1817) Pomatiopsis lapidaria (p. )
Popenais popeii (Lea, 1857) Popenais popeii (p. 36 )
Poromya albida Dall, 1886 Poromya albida (p. )
Poromya granulata (Nyst & Westendorp, 1839) Poromya granulata (p. )
Poromya houbricki Bernard, 1989 Poromya houbricki (p. )
Poromya rostrata Rehder, 1943 Poromya rostrata (p. )
Portlandia aestuariorum (Mosevich, 1928) Portlandia aestuariorum (p. 25 )
Portlandia arctica (Gray, 1824) Portlandia arctica (p. 26 )
Portlandia intermedia (Sars, 1865) Portlandia intermedia (p. 26 )
Potamilus alatus (Say, 1817) Potamilus alatus (p. 36 )
Potamilus amphichaenus (Frierson, 1898) Potamilus amphichaenus (p. 36 )
Potamilus capax (Green, 1832) Potamilus capax (p. 36 )
Potamilus inflatus (Lea, 1831) Potamilus inflatus (p. 36 )
Potamilus ohiensis (Rafinesque, 1820) Potamilus ohiensis (p. 36 )
Potamilus purpuratus (Lamarck, 1819) Potamilus purpuratus (p. 36 )
Potamocorbula amurensis (Schrenck, 1861) Potamocorbula amurensis (p. )
Primovula solemi Cate, 1973 Primovula solemi (p. )
Prionoglossa tetrabranchiata (Bonnevie, 1913) Prionoglossa tetrabranchiata (p. 122 )
Pristes oblongus Carpenter, 1864 Pristes oblongus (p. 40 )
Pristiloma arcticum (Lehnert, 1884) Pristiloma arcticum (p. )
Pristiloma gabrielinum (Berry, 1924) Pristiloma gabrielinum (p. )
Pristiloma idahoense Pilsbry, 1902 Pristiloma idahoense (p. )
Pristiloma johnsoni (Dall, 1895) Pristiloma johnsoni (p. )
Pristiloma juniperum Smith, 1957 Pristiloma juniperum (p. )
Pristiloma lansingi (Bland, 1875) Pristiloma lansingi (p. )
Pristiloma nicholsoni Baker, 1930 Pristiloma nicholsoni (p. )
Pristiloma orotis (Berry, 1930) Pristiloma orotis (p. )
Pristiloma pilsbryi Vanatta, 1899 Pristiloma pilsbryi (p. )
Pristiloma shepardae (Hemphill, 1892) Pristiloma shepardae (p. )
Pristiloma stearnsi (Bland, 1875) Pristiloma stearnsi (p. )
Pristiloma wascoense (Hemphill, 1911) Pristiloma wascoense (p. )
Pristinicola hemphilli (Pilsbry, 1890) Pristinicola hemphilli (p. )
Probata barbadensis (Gmelin, 1791) Mitra barbadensis (p. )
Probythinella emarginata (Kuster, 1852) Probythinella emarginata (p. )
Prochaetoderma californicum Schwabl, 1963 Spathoderma californicum (p. 19 )
Promenetus exacuous (Say, 1821) Promenetus exacuous (p. 136 )
Promenetus umbilicatellus (Cockerell, 1887) Promenetus umbilicatellus (p. 136 )
Proneomenia acuminata Heath, 1918 Proneomenia acuminata (p. 20 )
Propeamussium cancellatum (Smith, 1885) Propeamussium cancellatum (p. 31 )
Propeamussium holmesii (Dall, 1886) Propeamussium holmesii (p. 31 )
Propeamussium pourtalesianum (Dall, 1886) Propeamussium pourtalesianum (p. 31 )
Propilidium reticulatum (Verrill, 1885) Propilidium reticulatum (p. )
Propustularia surinamensis (Perry, 1811) Propustularia surinamensis (p. )
Protothaca granulata (Gmelin, 1791) Protothaca granulata (p. )
Protothaca laciniata (Carpenter, 1864) Protothaca laciniata (p. )
Protothaca tenerrima (Carpenter, 1857) Protothaca tenerrima (p. )
Prunum amabile (Redfield, 1852) Prunum amabile (p. )
Prunum apicinum (Menke, 1828) Prunum apicinum (p. )
Prunum avenaceum (Deshayes, 1844) Prunum avenaceum (p. )
Prunum boreale (Verrill, 1884) Prunum boreale (p. )
Prunum carneum (Storer, 1837) Prunum carneum (p. )
Prunum cassis (Dall, 1889) Prunum cassis (p. )
Prunum guttatum (Dillwyn, 1817) Prunum guttatum (p. )
Prunum nobilianum Bayer, 1943 Prunum nobilianum (p. )
Prunum roscidum (Redfield, 1860) Prunum roscidum (p. )
Prunum torticulum (Dall, 1881) Prunum torticulum (p. )
Psammodoris thompsoni (Millen & Nybakken, 1987) Psammodoris thompsoni (p. 125, 279 )
Pseudochama exogyra (Conrad, 1837) Pseudochama exogyra (p. 39 )
Pseudochama granti Strong, 1934 Pseudochama granti (p. 39 )
Pseudochama inezae Bayer, 1943 Pseudochama inezae (p. 39 )
Pseudochama radians (Lamarck, 1819) Pseudochama radians (p. 39 )
Pseudocyphoma gibbulum Cate, 1978 Pseudocyphoma gibbulum (p. )
Pseudocyphoma intermedium (Sowerby I, 1828) Pseudocyphoma intermedium (p. )
Pseudodiala acuta (Carpenter, 1864) Pseudodiala acuta (p. )
Pseudopolinices nanus (Møller, 1842) Euspira nana (p. )
Pseudosimnia pyrifera Cate, 1973 Pseudosimnia pyrifera (p. )
Pseudostomatella erythrocoma (Dall, 1889) Pseudostomatella erythrocoma (p. )
Pseudosuccinea columella (Say, 1817) Pseudosuccinea columella (p. 133 )
Psilaxis krebsii (Morch, 1875) Psilaxis krebsii (p. )
Psiloteredo megotara (Hanley, 1848) Psiloteredo megotara (p. )
Pteria colymbus (Roding, 1798) Pteria colymbus (p. 29 )
Pteria longisquamosa (Dunker, 1852) Pteria longisquamosa (p. 29 )
Pteria sterna (Gould, 1851) Pteria sterna (p. 29 )
Pteria vitrea (Reeve, 1857) Pteria vitrea (p. 29 )
Pteroctopus schmidti (Joubin, 1933) Danoctopus schmidti (p. 165 )
Pteroctopus tetracirrhus (delle Chiaje, 1830) Pteroctopus tetracirrhus (p. 165 )
Pteromeris perplana (Conrad, 1841) Pteromeris perplana (p. 41 )
Pteropurpura festiva (Hinds, 1844) Pteropurpura festiva (p. )
Pteropurpura macroptera (Deshayes, 1839) Pteropurpura macroptera (p. )
Pteropurpura trialata (Sowerby II, 1834) Pteropurpura trialata (p. )
Pteropurpura vokesae Emerson, 1964 Pteropurpura vokesae (p. )
Pterygioteuthis gemmata Chun, 1908 Pterygioteuthis gemmata (p. 162 )
Pterygioteuthis giardi Fischer, 1895 Pterygioteuthis giardi (p. 162 )
Pterynotus phaneus (Dall, 1889) Pterynotus phaneus (p. )
Ptychatractus ligatus (Mighels & Adams, 1842) Ptychatractus ligatus (p. )
Ptychobranchus fasciolaris (Rafinesque, 1820) Ptychobranchus fasciolaris (p. 36 )
Ptychobranchus greenii (Conrad, 1834) Ptychobranchus greenii (p. 36 )
Ptychobranchus jonesi (van der Schalie, 1934) Ptychobranchus jonesi (p. 36 )
Ptychobranchus occidentalis (Conrad, 1836) Ptychobranchus occidentalis (p. 36 )
Ptychobranchus subtentum (Say, 1825) Ptychobranchus subtentum (p. 36 )
Ptychosalpinx globulus (Dall, 1889) Ptychosalpinx globulus (p. )
Puberella intapurpurea (Conrad, 1849) Puberella intapurpurea (p. )
Puberella pubera (Bory Saint-Vincent, 1827) Puberella pubera (p. )
Pugnus lachrimula (Gould, 1862) Pugnus lachrimula (p. )
Pulsellum lobatum (Sowerby II, 1860) Pulsellum lobatum (p. 55 )
Pulsellum lofotense (Sars, 1865) Pulsellum lofotense (p. 449 )
Pulsellum occidentale (Henderson, 1920) Pulsellum occidentale (p. 55 )
Pulsellum salishorum Marshall, 1980 Pulsellum salishorum (p. 55 )
Pulsellum verrilli (Henderson, 1920) Pulsellum verrilli (p. 55 )
Puncturella caryophylla Dall, 1914 Puncturella caryophylla (p. )
Puncturella galeata (Gould, 1846) Puncturella galeata (p. )
Puncturella longifissa Dall, 1914 Puncturella longifissa (p. )
Puncturella noachina (Linnaeus, 1771) Puncturella noachina (p. )
Puncturella punctocostata Berry, 1947 Puncturella punctocostata (p. )
Puperita pupa (Linnaeus, 1767) Puperita pupa (p. )
Pusula californiana (Gray, 1827) Pusula californiana (p. )
Pusula pediculus (Linnaeus, 1758) Niveria pediculus (p. )
Pyganodon cataracta (Say, 1817) Pyganodon cataracta (p. )
Pyganodon fragilis (Lamarck, 1819) Pyganodon fragilis (p. 36 )
Pyganodon gibbosa (Say, 1824) Pyganodon gibbosa (p. 36 )
Pyganodon grandis (Say, 1829) Pyganodon grandis (p. 36 )
Pyganodon lacustris (Lea, 1852) Pyganodon lacustris (p. 36 )
Pyrgocythara filosa Rehder, 1943 Pyrgocythara filosa (p. )
Pyrgocythara plicosa (Adams, 1850) Pyrgocythara plicosa (p. )
Pyrgophorus platyrachis Thompson, 1968 Pyrgophorus platyrachis (p. )
Pyrgophorus spinosus (Call & Pilsbry, 1886) Pyrgophorus spinosus (p. )
Pyrgulopsis aardahli Hershler, 1989 Pyrgulopsis aardahli (p. )
Pyrgulopsis agarhecta (Thompson, 1969) Pyrgulopsis agarhecta (p. )
Pyrgulopsis amargosae Hershler, 1989 Pyrgulopsis amargosae (p. )
Pyrgulopsis arga (Thompson, 1977) Pyrgulopsis arga (p. )
Pyrgulopsis arizonae (Taylor, 1987) Pyrgulopsis arizonae (p. )
Pyrgulopsis avernalis (Pilsbry, 1935) Pyrgulopsis avernalis (p. )
Pyrgulopsis bacchus Hershler, 1988 Pyrgulopsis bacchus (p. )
Pyrgulopsis bernardina (Taylor, 1987) Pyrgulopsis bernardina (p. )
Pyrgulopsis bruneauensis Hershler, 1990 Pyrgulopsis bruneauensis (p. )
Pyrgulopsis bryantwalkeri Hershler, 1994 Pyrgulopsis bryantwalkeri (p. )
Pyrgulopsis californiensis (Gregg & Taylor, 1965) Pyrgulopsis californiensis (p. )
Pyrgulopsis castor (Thompson, 1977) Pyrgulopsis castor (p. )
Pyrgulopsis chupaderae (Taylor, 1987) Pyrgulopsis chupaderae (p. )
Pyrgulopsis conica Hershler, 1988 Pyrgulopsis conica (p. )
Pyrgulopsis crystalis Hershler & Sada, 1987 Pyrgulopsis crystalis (p. )
Pyrgulopsis davisi (Taylor, 1987) Pyrgulopsis davisi (p. )
Pyrgulopsis deserta (Pilsbry, 1916) Pyrgulopsis deserta (p. )
Pyrgulopsis diablensis Hershler, 1995 Pyrgulopsis diablensis (p. )
Pyrgulopsis eremica Hershler, 1995 Pyrgulopsis eremica (p. )
Pyrgulopsis erythropoma (Pilsbry, 1899) Pyrgulopsis erythropoma (p. )
Pyrgulopsis fairbanksensis Hershler & Sada, 1987 Pyrgulopsis fairbanksensis (p. )
Pyrgulopsis gibba Hershler, 1995 Pyrgulopsis gibba (p. )
Pyrgulopsis gilae (Taylor, 1987) Pyrgulopsis gilae (p. )
Pyrgulopsis giuliani Hershler & Pratt, 1990 Pyrgulopsis giuliani (p. )
Pyrgulopsis glandulosa Hershler, 1988 Pyrgulopsis glandulosa (p. )
Pyrgulopsis greggi Hershler, 1995 Pyrgulopsis greggi (p. )
Pyrgulopsis halcyon (Thompson, 1977) Pyrgulopsis halcyon (p. )
Pyrgulopsis hendersoni (Pilsbry, 1933) Pyrgulopsis hendersoni (p. )
Pyrgulopsis hershleri Thompson, 1995 Pyrgulopsis hershleri (p. )
Pyrgulopsis idahoensis (Pilsbry, 1933) Pyrgulopsis idahoensis (p. )
Pyrgulopsis intermedia (Tryon, 1865) Pyrgulopsis intermedia (p. )
Pyrgulopsis isolata Hershler & Sada, 1987 Pyrgulopsis isolata (p. )
Pyrgulopsis kolobensis (Taylor, 1987) Pyrgulopsis kolobensis (p. )
Pyrgulopsis letsoni (Walker, 1901) Pyrgulopsis letsoni (p. )
Pyrgulopsis longae Hershler, 1995 Pyrgulopsis longae (p. )
Pyrgulopsis lustrica (Pilsbry, 1890) Pyrgulopsis lustrica (p. )
Pyrgulopsis merriami (Pilsbry & Beecher, 1892) Pyrgulopsis merriami (p. )
Pyrgulopsis metcalfi (Taylor, 1987) Pyrgulopsis metcalfi (p. )
Pyrgulopsis micrococcus (Pilsbry, 1893) Pyrgulopsis micrococcus (p. )
Pyrgulopsis montezumensis Hershler, 1988 Pyrgulopsis montezumensis (p. )
Pyrgulopsis morrisoni Hershler, 1988 Pyrgulopsis morrisoni (p. )
Pyrgulopsis nanus Hershler & Sada, 1987 Pyrgulopsis nanus (p. )
Pyrgulopsis neomexicana (Pilsbry, 1916) Pyrgulopsis neomexicana (p. )
Pyrgulopsis nevadensis (Stearns, 1883) Pyrgulopsis nevadensis (p. )
Pyrgulopsis ogmorhaphe (Thompson, 1977) Pyrgulopsis ogmorhaphe (p. )
Pyrgulopsis olivacea (Pilsbry, 1895) Pyrgulopsis olivacea (p. )
Pyrgulopsis owensensis Hershler, 1989 Pyrgulopsis owensensis (p. )
Pyrgulopsis ozarkensis Hinkley, 1915 Pyrgulopsis ozarkensis (p. )
Pyrgulopsis pachyta (Thompson, 1977) Pyrgulopsis pachyta (p. )
Pyrgulopsis pecosensis (Taylor, 1987) Pyrgulopsis pecosensis (p. )
Pyrgulopsis perturbata Hershler, 1989 Pyrgulopsis perturbata (p. )
Pyrgulopsis pilsbryana (Baily & Baily, 1952) Pyrgulopsis pilsbryana (p. )
Pyrgulopsis pisteri Hershler & Sada, 1987 Pyrgulopsis pisteri (p. )
Pyrgulopsis robusta (Walker, 1908) Pyrgulopsis robusta (p. )
Pyrgulopsis roswellensis (Taylor, 1987) Pyrgulopsis roswellensis (p. )
Pyrgulopsis scalariformis (Wolf, 1869) Pyrgulopsis scalariformis (p. )
Pyrgulopsis simplex Hershler, 1988 Pyrgulopsis simplex (p. )
Pyrgulopsis sola Hershler, 1988 Pyrgulopsis sola (p. )
Pyrgulopsis stearnsiana (Pilsbry, 1899) Pyrgulopsis stearnsiana (p. )
Pyrgulopsis taylori Hershler, 1995 Pyrgulopsis taylori (p. )
Pyrgulopsis thermalis (Taylor, 1987) Pyrgulopsis thermalis (p. )
Pyrgulopsis thompsoni Hershler, 1988 Pyrgulopsis thompsoni (p. )
Pyrgulopsis trivialis (Taylor, 1987) Pyrgulopsis trivialis (p. )
Pyrgulopsis ventricosa Hershler, 1995 Pyrgulopsis ventricosa (p. )
Pyroteuthis addolux Young, 1972 Pyroteuthis addolux (p. 162 )
Pyroteuthis margaritifera (Rüppell, 1844) Pyroteuthis margaritifera (p. 162 )
Pyrulofusus deformis (Reeve, 1847) Pyrulofusus deformis (p. )
Pyrulofusus harpa (Mörch, 1857) Pyrulofusus harpa (p. )
Pyrunculus caelatus (Bush, 1885) Pyrunculus caelatus (p. 119 )
Pyrunculus ovatus (Jeffreys, 1871) Pyrunculus ovatus (p. 119, 274 )
Pythinella cuneata (Verrill & Bush, 1898) Pythinella cuneata (p. 40 )
Quadrula apiculata (Say, 1829) Quadrula apiculata (p. 36 )
Quadrula asperata (Lea, 1861) Quadrula asperata (p. 36 )
Quadrula aurea (Lea, 1859) Quadrula aurea (p. 36 )
Quadrula couchiana (Lea, 1860) Quadrula couchiana (p. 37 )
Quadrula fragosa (Conrad, 1835) Quadrula fragosa (p. 37 )
Quadrula houstonensis (Lea, 1859) Quadrula houstonensis (p. 37 )
Quadrula intermedia (Conrad, 1836) Quadrula intermedia (p. 37 )
Quadrula metanevra (Rafinesque, 1820) Quadrula metanevra (p. 37 )
Quadrula nodulata (Rafinesque, 1820) Quadrula nodulata (p. 37 )
Quadrula petrina (Gould, 1855) Quadrula petrina (p. 37 )
Quadrula quadrula (Rafinesque, 1820) Quadrula quadrula (p. 37 )
Quadrula refulgens (Lea, 1868) Quadrula refulgens (p. 37 )
Quadrula rumphiana (Lea, 1852) Quadrula rumphiana (p. 37 )
Quadrula sparsa (Lea, 1841) Quadrula sparsa (p. 37 )
Quadrula stapes (Lea, 1831) Quadrula stapes (p. 37 )
Quadrula tuberosa (Lea, 1840) Quadrula tuberosa (p. )
Quasicorambe pacifica (Macfarland & O'donoghue, 1929) Quasicorambe pacifica (p. 125, 279 )
Quincuncina burkei Walker, 1922 Quincuncina burkei (p. 37 )
Quincuncina infucata (Conrad, 1834) Quincuncina infucata (p. 37 )
Quincuncina mitchelli (Simpson, 1895) Quincuncina mitchelli (p. 37 )
Radix auricularia (Linnaeus, 1758) Radix auricularia (p. 134 )
Raeta plicatella (Lamarck, 1818) Raeta plicatella (p. 43 )
Raeta undulata (Gould, 1851) Raeta undulata (p. 43 )
Rangia cuneata (Sowerby I, 1831) Rangia cuneata (p. )
Rangia flexuosa (Conrad, 1840) Rangia flexuosa (p. 43 )
Recluzia rollandiana Petit de la Saussaye, 1853 Recluzia rollandiana (p. )
Retifusus roseus (Dall, 1877) Colus roseus (p. )
Retusa mayoi (Dall, 1889) Retusa mayoi (p. 119 )
Retusa montereyensis Smith & Gordon, 1948 Retusa montereyensis (p. 119 )
Retusa obtusa (Montagu, 1803) Retusa obtusa (p. 119, 274 )
Retusa semen (Reeve, 1855) Retusa semen (p. 119, 274 )
Retusa sulcata (d'Orbigny, 1841) Retusa sulcata (p. 119 )
Retusa umbilicata (Montagu, 1803) Retusa umbilicata (p. 119, 274 )
Retusa xystrum Dall, 1919 Retusa xystrum (p. 119, 274 )
Rhabdus dalli (Pilsbry & Sharp, 1897) Rhabdus dalli (p. 54 )
Rhabdus rectius (Carpenter, 1865) Rhabdus rectius (p. 54 )
Rhamphidonta retifera (Dall, 1899) Rhamphidonta retifera (p. 40 )
Rhapinema dacryon Thompson, 1970 Rhapinema dacryon (p. )
Rhodacmea elatior (Anthony, 1855) Rhodacmea elatior (p. 136 )
Rhodacmea filosa (Conrad, 1834) Rhodacmea filosa (p. 136 )
Rhodacmea hinkleyi (Walker, 1908) Rhodacmea hinkleyi (p. 136 )
Rhodopetala rosea (Dall, 1872) Rhodopetala rosea (p. )
Rhombinella laevigata (Linnaeus, 1758) Rhombinella laevigata (p. )
Rictaxis punctostriatus (Adams, 1840) Rictaxis punctostriatus (p. )
Rimosodaphnella morra (Dall, 1881) Rimosodaphnella morra (p. )
Rimula aequisculpta Dall, 1927 Rimula aequisculpta (p. )
Rimula californiana Berry, 1964 Rimula californiana (p. )
Rimula dorriae Perez Farfante, 1947 Rimula dorriae (p. )
Rimula frenulata (Dall, 1889) Rimula frenulata (p. )
Rimula pycnonema Pilsbry, 1943 Rimula pycnonema (p. )
Ringicula nitida Verrill, 1872 Ringicula nitida (p. 117 )
Ringicula semistriata D'Orbigny, 1842 Ringicula semistriata (p. 117 )
Rissoella caribaea Rehder, 1943 Rissoella caribaea (p. )
Rissoella hertleini Smith & Gordon, 1948 Rissoella hertleini (p. )
Rocellaria stimpsonii Tryon, 1861 Gastrochaena stimpsoni (p. )
Rochefortia compressa Dall, 1913 Rochefortia compressa (p. 40 )
Rochefortia grippi Dall, 1912 Rochefortia grippi (p. 40 )
Rochefortia tumida (Carpenter, 1864) Rochefortia tumida (p. 40 )
Rossia bullisi Voss, 1956 Rossia bullisi (p. 161 )
Rossia megaptera Verrill, 1881 Rossia megaptera (p. 161 )
Rossia pacifica Berry, 1911 Rossia pacifica (p. 161 )
Rossia palpebrosa Owen, 1834 Rossia palpebrosa (p. 161 )
Rossia tortugaensis Voss, 1956 Rossia tortugaensis (p. 161 )
Rostanga pulchra MacFarland, 1905 Rostanga pulchra (p. 127 )
Rubellatoma rubella (Kurtz & Stimpson, 1851) Rubellatoma rubella (p. )
Ruditapes philippinarum (Adams & Reeve, 1850) Venerupis philippinarum (p. )
Runcina macfarlandi Gosliner, 1991 Runcina macfarlandi (p. 120, 275 )
Sabinella troglodytes (Thiele, 1925) Sabinella troglodytes (p. )
Saccella cellulita (Dall, 1896) Nuculana cellulita (p. 25 )
Saccella elenensis (Sowerby I, 1833) Nuculana elenensis (p. 25 )
Saccella penderi (Dall & Bartsch, 1910) Nuculana penderi (p. 26 )
Saccella taphria (Dall, 1897) Nuculana taphria (p. 26 )
Sakuraeolis enosimensis (Baba, 1930) Sakuraeolis enosimensis (p. 132, 286 )
Sandalops melancholicus Chun, 1906 Sandalops melancholicus (p. 164 )
Sanguinolaria sanguinolenta (Gmelin, 1791) Sanguinolaria sanguinolenta (p. 45 )
Sansonia tuberculata (Watson, 1886) Sansonia tuberculata (p. )
Saxicavella nybakkeni Scott, 1994 Saxicavella nybakkeni (p. )
Saxicavella pacifica Dall, 1916 Saxicavella pacifica (p. )
Saxidomus gigantea (Deshayes, 1839) Saxidomus gigantea (p. )
Saxidomus nuttalli Conrad, 1837 Saxidomus nuttalli (p. )
Scabrotrophon lasius (Dall, 1919) Scabrotrophon lasius (p. )
Scabrotrophon scitulus (Dall, 1891) Scabrotrophon scitulus (p. )
Scaeurgus unicirrhus (Delle Chiaje, 1841) Scaeurgus unicirrhus (p. 165 )
Scaphander pilsbryi McGinty, 1955 Scaphander pilsbryi (p. 118 )
Scaphander punctostriatus (Mighels & Adams, 1842) Scaphander punctostriatus (p. 118, 274 )
Scaphander watsoni Dall, 1881 Scaphander watsoni (p. 118 )
Scaphander willetti Dall, 1919 Scaphander willetti (p. 118 )
Scaphella gouldiana (Dall, 1887) Scaphella gouldiana (p. )
Scaphella junonia (Lamarck, 1804) Scaphella junonia (p. )
Scelidotoma bella (Gabb, 1865) Scelidotoma bella (p. )
Scintillona bellerophon O'Foighil & Gibson, 1984 Scintillona bellerophon (p. 41 )
Scissilabra dalli Bartsch, 1907 Scissilabra dalli (p. )
Scissurella proxima Dall, 1927 Scissurella proxima (p. )
Sclerodoris prea (Marcus & Marcus, 1967) Atagema prea (p. 128, 283 )
Sclerodoris tanya (Marcus, 1971) Sclerodoris tanya (p. 127 )
Sconsia striata (Lamarck, 1816) Sconsia striata (p. )
Scutopus megaradulatus Salvini-Plawen, 1972 Scutopus megaradulatus (p. 19 )
Scyllaea pelagica Linnaeus, 1758 Scyllaea pelagica (p. 129 )
Seguenzia giovia Dall, 1919 Seguenzia giovia (p. )
Seguenzia hapala Woodring, 1928 Seguenzia hapala (p. )
Selenoteuthis scintillans Voss, 1958 Selenoteuthis scintillans (p. 161 )
Semele bellastriata (Conrad, 1837) Semele bellastriata (p. 45 )
Semele decisa (Conrad, 1837) Semele decisa (p. 45 )
Semele proficua (Pulteney, 1799) Semele proficua (p. 45 )
Semele pulchra (Sowerby I, 1832) Semele pulchra (p. 45 )
Semele purpurascens (Gmelin, 1791) Semele purpurascens (p. 46 )
Semele rubropicta Dall, 1871 Semele rubropicta (p. 46 )
Semele rupicola Dall, 1915 Semele rupicola (p. 46 )
Semele venusta (Reeve, 1853) Semele venusta (p. 46 )
Semelina nuculoides (Conrad, 1841) Semelina nuculoides (p. 46 )
Semicassis granulata (Born, 1778) Phalium granulatum (p. )
Semirossia equalis (Voss, 1950) Semirossia equalis (p. 161 )
Semirossia tenera (Verrill, 1880) Semirossia tenera (p. 161 )
Sepioteuthis sepioidea (Blainville, 1823) Sepioteuthis sepioidea (p. 161 )
Septifer bifurcatus (Conrad, 1837) Septifer bifurcatus (p. 27 )
Serpulorbis decussatus (Gmelin, 1791) Serpulorbis decussatus (p. )
Serripes groenlandicus (Mohr, 1786) Serripes groenlandicus (p. 42 )
Serripes laperousii (Deshayes, 1839) Serripes laperousii (p. 42 )
Serripes notabilis (Sowerby III, 1915) Serripes notabilis (p. 42 )
Sigatica carolinensis (Dall, 1889) Sigatica carolinensis (p. )
Sigatica semisulcata (Gray, 1839) Sigatica semisulcata (p. )
Siliqua alta (Broderip & Sowerby I, 1829) Siliqua alta (p. 43 )
Siliqua costata Say, 1822 Siliqua costata (p. 43 )
Siliqua lucida (Conrad, 1837) Siliqua lucida (p. 43 )
Siliqua patula (Dixon, 1789) Siliqua patula (p. 43 )
Siliqua squama de Blainville, 1824 Siliqua squama (p. 43 )
Similipecten greenlandicus (Sowerby II, 1842) Cyclopecten greenlandicus (p. 31 )
Simnialena marferula Cate, 1973 Simnialena marferula (p. )
Simnialena uniplicata (Sowerby II, 1848) Simnialena uniplicata (p. )
Simomactra falcata (Gould, 1850) Simomactra falcata (p. 43 )
Simomactra planulata (Conrad, 1837) Simomactra planulata (p. 43 )
Simpsonaias ambigua (Say, 1825) Simpsonaias ambigua (p. 37 )
Sinezona cingulata (Costa, 1861) Scissurella cingulata (p. )
Sinezona rimuloides (Carpenter, 1865) Sinezona rimuloides (p. )
Sinistrofulgur sinistrum (Hollister, 1958) Busycon sinistrum (p. )
Sinum debile (Gould, 1853) Sinum debile (p. )
Sinum maculatum (Say, 1831) Sinum maculatum (p. )
Sinum minus (Dall, 1889) Sinum minus (p. )
Sinum perspectivum (Say, 1831) Sinum perspectivum (p. )
Sinum scopulosum (Conrad, 1849) Sinum scopulosum (p. )
Siphonaria alternata Say, 1826 Siphonaria alternata (p. 137 )
Siphonaria brannani Stearns, 1872 Siphonaria brannani (p. 137 )
Siphonaria pectinata (Linnaeus, 1758) Siphonaria pectinata (p. 137 )
Siphonaria thersites Carpenter, 1864 Siphonaria thersites (p. 137 )
Siraius kyolis Marcus & Marcus, 1967 Siraius kyolis (p. 127 )
Skenea californica (Bartsch, 1907) Skenea californica (p. )
Skenea carmelensis Smith & Gordon, 1948 Skenea carmelensis (p. )
Skenea concordia (Bartsch, 1920) Skenea concordia (p. )
Skenea coronadoensis (Arnold, 1903) Skenea coronadoensis (p. )
Skeneopsis planorbis (Fabricius, 1780) Skeneopsis planorbis (p. )
Smaragdia viridis (Linnaeus, 1758) Smaragdia viridis (p. )
Solamen columbianum (Dall, 1897) Solamen columbianum (p. 27 )
Solamen leanum (Dall, 1897) Solamen leanum (p. 27 )
Solamen megas (Dall, 1902) Solamen megas (p. 27 )
Solariella intermedia (Leche, 1878) Solariella intermedia (p. )
Solariella lacunella (Dall, 1881) Solariella lacunella (p. )
Solariella micraulax McLean, 1964 Solariella micraulax (p. )
Solariella nuda Dall, 1896 Solariella nuda (p. )
Solariella obscura (Couthouy, 1838) Solariella obscura (p. )
Solariella peramabilis Carpenter, 1864 Solariella peramabilis (p. )
Solariella periscopia Dall, 1927 Solariella periscopia (p. )
Solariella varicosa (Mighels & Adams, 1842) Solariella varicosa (p. )
Solariorbis terminalis (Pilsbry & McGinty, 1946) Solariorbis terminalis (p. )
Solatisonax borealis (Verrill & Smith, 1880) Solatisonax borealis (p. )
Solecurtus cumingianus Dunker, 1861 Solecurtus cumingianus (p. 46 )
Solecurtus guaymasensis (Lowe, 1935) Solecurtus guaymasensis (p. 46 )
Solecurtus sanctaemarthae D'Orbigny, 1842 Solecurtus sanctaemarthae (p. 46 )
Solemya borealis Totten, 1834 Solemya borealis (p. 25 )
Solemya grandis Verrill & Bush, 1898 Solemya grandis (p. 25 )
Solemya occidentalis Deshayes, 1857 Solemya occidentalis (p. 25 )
Solemya valvulus (Carpenter, 1864) Solemya valvulus (p. 25 )
Solemya velum Say, 1822 Solemya velum (p. 25 )
Solen rostriformis Dunker, 1862 Solen rostriformis (p. 43 )
Solen sicarius Gould, 1850 Solen sicarius (p. 43 )
Solen viridis Say, 1821 Solen viridis (p. 43 )
Somatogyrus alcoviensis Krieger, 1972 Somatogyrus alcoviensis (p. )
Somatogyrus amnicoloides Walker, 1915 Somatogyrus amnicoloides (p. )
Somatogyrus aureus Tryon, 1865 Somatogyrus aureus (p. )
Somatogyrus biangulatus Walker, 1906 Somatogyrus biangulatus (p. )
Somatogyrus constrictus Walker, 1904 Somatogyrus constrictus (p. )
Somatogyrus coosaensis Walker, 1904 Somatogyrus coosaensis (p. )
Somatogyrus crassilabris Walker, 1915 Somatogyrus crassilabris (p. )
Somatogyrus crassus Walker, 1904 Somatogyrus crassus (p. )
Somatogyrus currierianus (Lea, 1863) Somatogyrus currierianus (p. )
Somatogyrus decipiens Walker, 1909 Somatogyrus decipiens (p. )
Somatogyrus depressus (Tryon, 1862) Somatogyrus depressus (p. )
Somatogyrus excavatus Walker, 1906 Somatogyrus excavatus (p. )
Somatogyrus georgianus Walker, 1904 Somatogyrus georgianus (p. )
Somatogyrus hendersoni Walker, 1909 Somatogyrus hendersoni (p. )
Somatogyrus hinkleyi Walker, 1904 Somatogyrus hinkleyi (p. )
Somatogyrus humerosus Walker, 1906 Somatogyrus humerosus (p. )
Somatogyrus integra (Say, 1829) Somatogyrus integra (p. )
Somatogyrus nanus Walker, 1904 Somatogyrus nanus (p. )
Somatogyrus obtusus Walker, 1904 Somatogyrus obtusus (p. )
Somatogyrus parvulus Tryon, 1865 Somatogyrus parvulus (p. )
Somatogyrus pennsylvanicus Walker, 1904 Somatogyrus pennsylvanicus (p. )
Somatogyrus pilsbryanus Walker, 1904 Somatogyrus pilsbryanus (p. )
Somatogyrus pumilus (Conrad, 1834) Somatogyrus pumilus (p. )
Somatogyrus pygmaeus Walker, 1909 Somatogyrus pygmaeus (p. )
Somatogyrus quadratus Walker, 1906 Somatogyrus quadratus (p. )
Somatogyrus rheophilas Thompson, 1984 Somatogyrus rheophilas (p. )
Somatogyrus rosewateri Gordon, 1986 Somatogyrus rosewateri (p. )
Somatogyrus sargenti Pilsbry, 1895 Somatogyrus sargenti (p. )
Somatogyrus strengi Pilsbry & Walker, 1906 Somatogyrus strengi (p. )
Somatogyrus substriatus Walker, 1906 Somatogyrus substriatus (p. )
Somatogyrus tenax Thompson, 1969 Somatogyrus tenax (p. )
Somatogyrus tennesseensis Walker, 1906 Somatogyrus tennesseensis (p. )
Somatogyrus tryoni Pilsbry & Baker, 1927 Somatogyrus tryoni (p. )
Somatogyrus virginicus Walker, 1904 Somatogyrus virginicus (p. )
Somatogyrus walkerianus Aldrich, 1905 Somatogyrus walkerianus (p. )
Somatogyrus wheeleri Walker, 1915 Somatogyrus wheeleri (p. )
Spathochlamys benedicti (Verrill & Bush, 1897) Spathochlamys benedicti (p. 31 )
Spathochlamys vestalis (Reeve, 1853) Spathochlamys vestalis (p. 31 )
Spathoteredo spatha (Jeffreys, 1860) Spathoteredo spatha (p. )
Spengleria rostrata (Spengler, 1783) Spengleria rostrata (p. )
Sphaerium corneum (Linnaeus, 1758) Sphaerium corneum (p. )
Sphaerium fabale (Prime, 1852) Sphaerium fabale (p. )
Sphaerium nitidum Westerlund, 1876 Sphaerium nitidum (p. )
Sphaerium occidentale (Lewis, 1856) Sphaerium occidentale (p. )
Sphaerium patella (Gould, 1850) Sphaerium patella (p. )
Sphaerium rhomboideum (Say, 1822) Sphaerium rhomboideum (p. )
Sphaerium simile (Say, 1817) Sphaerium simile (p. )
Sphaerium striatinum (Lamarck, 1818) Sphaerium striatinum (p. )
Sphenia antillensis Dall & Simpson, 1901 Sphenia antillensis (p. )
Sphenia luticola (Valenciennes, 1846) Sphenia luticola (p. )
Sphenia sincera Hanks & Packer, 1985 Sphenia sincera (p. )
Sphenia tumida Lewis, 1968 Sphenia tumida (p. )
Spilochlamys conica Thompson, 1968 Spilochlamys conica (p. )
Spilochlamys gravis Thompson, 1968 Spilochlamys gravis (p. )
Spilochlamys turgida Thompson, 1969 Spilochlamys turgida (p. )
Spirolaxis centrifuga (Monterosato, 1890) Spirolaxis centrifuga (p. )
Spirolaxis lamellifer (Rehder, 1935) Spirolaxis lamellifer (p. )
Spirula spirula (Linnaeus, 1758) Spirula spirula (p. 161 )
Spisula raveneli (Conrad, 1831) Spisula raveneli (p. 43 )
Spisula solidissima (Dillwyn, 1817) Spisula solidissima (p. 43 )
Spondylus americanus Hermann, 1781 Spondylus americanus (p. 31 )
Spondylus ictericus Reeve, 1856 Spondylus ictericus (p. 31 )
Spurilla neapolitana (delle Chiaje, 1823) Spurilla neapolitana (p. 132 )
Spurwinkia salsa (Pilsbry, 1905) Spurwinkia salsa (p. )
Stagnicola apicina (Lea, 1838) Stagnicola apicina (p. 134 )
Stagnicola arctica (Lea, 1864) Stagnicola arctica (p. 134 )
Stagnicola bonnevillensis (Call, 1884) Stagnicola bonnevillensis (p. 134 )
Stagnicola caperata (Say, 1829) Stagnicola caperata (p. 134 )
Stagnicola catescopium (Say, 1867) Stagnicola catescopium (p. 134 )
Stagnicola contracta (Currier, 1881) Stagnicola contracta (p. 134 )
Stagnicola elodes (Say, 1821) Stagnicola elodes (p. 134 )
Stagnicola elrodi (Baker & Henderson, 1933) Stagnicola elrodi (p. 134 )
Stagnicola elrodiana Baker, 1935 Stagnicola elrodiana (p. 134 )
Stagnicola emarginata (Say, 1821) Stagnicola emarginata (p. 134 )
Stagnicola exilis (Lea, 1834) Stagnicola exilis (p. 134 )
Stagnicola gabbi (Tryon, 1865) Stagnicola gabbi (p. 134 )
Stagnicola hinkleyi (Baker, 1906) Stagnicola hinkleyi (p. 134 )
Stagnicola idahoensis (Henderson, 1931) Stagnicola idahoensis (p. 134 )
Stagnicola mighelsi (Binney, 1865) Stagnicola mighelsi (p. 134 )
Stagnicola montanensis (Baker, 1913) Stagnicola montanensis (p. 134 )
Stagnicola neopalustris (Baker, 1911) Stagnicola neopalustris (p. 134 )
Stagnicola oronoensis (Baker, 1904) Stagnicola oronoensis (p. 134 )
Stagnicola petoskeyensis (Walker, 1908) Stagnicola petoskeyensis (p. 134 )
Stagnicola pilsbryi (Hemphill, 1890) Stagnicola pilsbryi (p. 134 )
Stagnicola traski (Tryon, 1863) Stagnicola traski (p. 134 )
Stagnicola utahensis (Call, 1884) Stagnicola utahensis (p. 134 )
Stagnicola walkeriana Baker, 1926 Stagnicola walkeriana (p. 134 )
Stagnicola woodruffi (Baker, 1901) Stagnicola woodruffi (p. )
Steironepion minor (Adams, 1845) Steironepion minor (p. )
Steironepion moniliferum (Sowerby I, 1844) Steironepion moniliferum (p. )
Stenophysa marmorata (Guilding, 1828) Stenophysa marmorata (p. 135 )
Stenophysa maugeriae (Gray, 1837) Stenophysa maugeriae (p. 135 )
Sthenorytis pernobilis (Fischer & Bernardi, 1857) Sthenorytis pernobilis (p. )
Sthenoteuthis oualaniensis (Lesson, 1830) Sthenoteuthis oualaniensis (p. 164 )
Sthenoteuthis pteropus (Steenstrup, 1855) Sthenoteuthis pteropus (p. 164 )
Stigmatoteuthis hoylei (Goodrich, 1896) Histioteuthis hoylei (p. 163 )
Stigmaulax sulcatus (Born, 1778) Stigmaulax sulcatus (p. )
Stiliger fuscovittatus Lance, 1962 Stiliger fuscovittatus (p. 124, 278 )
Stiliger vossi Marcus & Marcus, 1960 Stiliger vossi (p. 124 )
Stiobia nana Thompson, 1978 Stiobia nana (p. )
Stoloteuthis leucoptera (Verrill, 1878) Stoloteuthis leucoptera (p. 161 )
Stramonita rustica (Lamarck, 1822) Stramonita rustica (p. )
Striatura exigua (Stimpson, 1850) Striatura exigua (p. )
Striatura ferrea Morse, 1864 Striatura ferrea (p. )
Striatura meridionalis (Pilsbry & Ferriss, 1906) Striatura meridionalis (p. )
Striatura milium (Morse, 1859) Striatura milium (p. )
Striatura pugetensis (Dall, 1895) Striatura pugetensis (p. )
Strictispira solida (Adams, 1850) Strictispira solida (p. )
Strigilla carnaria (Linnaeus, 1758) Strigilla carnaria (p. 44 )
Strigilla gabbi Olsson & McGinty, 1958 Strigilla gabbi (p. 44 )
Strigilla mirabilis (Philippi, 1841) Strigilla mirabilis (p. 44 )
Strigilla pisiformis (Linnaeus, 1758) Strigilla pisiformis (p. 44 )
Strigilla surinamensis Boss, 1972 Strigilla surinamensis (p. 44 )
Strombus alatus Gmelin, 1791 Strombus alatus (p. )
Strombus raninus Gmelin, 1791 Strombus raninus (p. )
Strophitus connasaugaensis (Lea, 1858) Strophitus connasaugaensis (p. 37 )
Strophitus subvexus (Conrad, 1834) Strophitus subvexus (p. 37 )
Strophitus undulatus (Say, 1817) Strophitus undulatus (p. 37 )
Stygopyrgus bartonensis Hershler & Longley, 1986 Stygopyrgus bartonensis (p. )
Stylidium eschrichtii (Middendorff, 1849) Stylidium eschrichtii (p. )
Styliola subula (Quoy & Gaimard, 1827) Styliola subula (p. 121 )
Stylocheilus citrinus (Rang, 1828) Stylocheilus citrina (p. 123, 277 )
Stylocheilus longicauda (Quoy & Gaimard, 1824) Stylocheilus longicauda (p. 123, 277 )
Suhinia steinbergae (Lance, 1962) Suhinia steinbergae (p. 125, 279-280 )
Supplanaxis nucleus (Bruguiere, 1789) Supplanaxis nucleus (p. )
Suturoglypta iontha (Ravenel, 1861) Suturoglypta iontha (p. )
Synaptocochlea picta (d'Orbigny, 1847) Synaptocochlea picta (p. )
Syphonota geographica (Adams & Reeve, 1850) Aplysia geographica (p. 122 )
Tachyrhynchus erosus (Couthouy, 1838) Tachyrhynchus erosus (p. )
Tachyrhynchus lacteolus (Carpenter, 1864) Tachyrhynchus lacteolus (p. )
Tagelus affinis (Adams, 1852) Tagelus affinis (p. 46 )
Tagelus californianus (Conrad, 1837) Tagelus californianus (p. 46 )
Tagelus divisus (Spengler, 1794) Tagelus divisus (p. 46 )
Tagelus plebeius (Lightfoot, 1786) Tagelus plebeius (p. 46 )
Tagelus subteres (Conrad, 1837) Tagelus subteres (p. 46 )
Talparia cinerea (Gmelin, 1791) Talparia cinerea (p. )
Tambja gratiosa (Bergh, 1890) Tambja gratiosa (p. 126, 281 )
Taningia danae Joubin, 1931 Taningia danae (p. 162 )
Taonius pavo (Lesueur, 1821) Taonius pavo (p. 164 )
Taringa aivica Marcus & Marcus, 1967 Taringa aivica timia (p. 128 )
Taringa telopia Marcus, 1955 Taringa telopia (p. 128, 283 )
Taylorconcha serpenticola Hershler, et al., 1994 Taylorconcha serpenticola (p. )
Tectarius antonii (Philippi, 1846) Tectarius antonii (p. )
Tectonatica pusilla (Say, 1822) Tectonatica pusilla (p. )
Tectonatica sagraiana (d'Orbigny, 1842) Natica sagraiana (p. )
Tectura depicta (Hinds, 1842) Tectura depicta (p. )
Tectura fenestrata (Reeve, 1855) Tectura fenestrata (p. )
Tectura paleacea (Gould, 1853) Tectura paleacea (p. )
Tectura persona (Rathke, 1833) Tectura persona (p. )
Tectura rosacea (Carpenter, 1864) Tectura rosacea (p. )
Tectura scutum (Rathke, 1833) Tectura scutum (p. )
Tectura testudinalis (Müller, 1776) Tectura testudinalis (p. )
Tegula aureotincta (Forbes, 1850) Tegula aureotincta (p. )
Tegula brunnea Philippi, 1848 Tegula brunnea (p. )
Tegula eiseni Jordan, 1936 Tegula eiseni (p. )
Tegula excavata (Lamarck, 1822) Tegula excavata (p. )
Tegula fasciata (Born, 1778) Tegula fasciata (p. )
Tegula funebralis (Adams, 1855) Tegula funebralis (p. )
Tegula gallina (Forbes, 1850) Tegula gallina (p. )
Tegula gruneri (Philippi, 1849) Tegula gruneri (p. )
Tegula hotessieriana (d'Orbigny, 1842) Tegula hotessieriana (p. )
Tegula lividomaculata (Adams, 1845) Tegula lividomaculata (p. )
Tegula montereyi (Kiener, 1850) Tegula montereyi (p. )
Tegula pulligo (Gmelin, 1791) Tegula pulligo (p. )
Tegula regina Stearns, 1892 Tegula regina (p. )
Teinostoma supravallatum (Carpenter, 1864) Teinostoma supravallatum (p. )
Tellidora cristata (Recluz, 1842) Tellidora cristata (p. 44 )
Tellina aequistriata Say, 1824 Tellina aequistriata (p. 44 )
Tellina agilis Stimpson, 1857 Tellina agilis (p. 44 )
Tellina alternata Say, 1822 Tellina alternata (p. 44 )
Tellina americana Dall, 1900 Tellina americana (p. 44 )
Tellina angulosa Gmelin, 1791 Tellina angulosa (p. 44 )
Tellina bodegensis Hinds, 1845 Tellina bodegensis (p. 44 )
Tellina candeana d'Orbigny, 1853 Tellina candeana (p. 44 )
Tellina carpenteri Dall, 1900 Tellina carpenteri (p. 44 )
Tellina colorata Dall, 1900 Tellina colorata (p. 44 )
Tellina consobrina d'Orbigny, 1853 Tellina consobrina (p. 44 )
Tellina cristallina Spengler, 1798 Tellina cristallina (p. 44 )
Tellina fausta Pulteney, 1799 Tellina fausta (p. 44 )
Tellina gouldii Hanley, 1846 Tellina gouldii (p. 44 )
Tellina idae Dall, 1891 Tellina idae (p. 44 )
Tellina iris Say, 1822 Tellina iris (p. 44 )
Tellina laevigata Linnaeus, 1758 Tellina laevigata (p. 44 )
Tellina lineata Turton, 1819 Tellina lineata (p. 44 )
Tellina listeri Roding, 1798 Tellina listeri (p. 44 )
Tellina magna Spengler, 1798 Tellina magna (p. 44 )
Tellina martinicensis d'Orbigny, 1853 Tellina martinicensis (p. 44 )
Tellina mera Say, 1834 Tellina mera (p. 44 )
Tellina meropsis Dall, 1900 Tellina meropsis (p. 44 )
Tellina modesta (Carpenter, 1864) Tellina modesta (p. 45 )
Tellina nitens Adams, 1845 Tellina nitens (p. 45 )
Tellina nuculoides (Reeve, 1854) Tellina nuculoides (p. 45 )
Tellina paramera Boss, 1964 Tellina paramera (p. 45 )
Tellina persica Dall & Simpson, 1901 Tellina persica (p. 45 )
Tellina probina Boss, 1964 Tellina probina (p. 45 )
Tellina radiata Linnaeus, 1758 Tellina radiata (p. 45 )
Tellina similis Sowerby, 1806 Tellina similis (p. 45 )
Tellina squamifera Deshayes, 1855 Tellina squamifera (p. 45 )
Tellina sybaritica Dall, 1881 Tellina sybaritica (p. 45 )
Tellina tampaensis Conrad, 1866 Tellina tampaensis (p. 45 )
Tellina tenella Verrill, 1874 Tellina tenella (p. 45 )
Tellina texana Dall, 1900 Tellina texana (p. 45 )
Tenagodus squamatus (de Blainville, 1827) Tenagodus squamatus (p. )
Tenellia adspersa (Nordmann, 1845) Tenellia adspersa (p. 131, 286 )
Tenellia fuscata (Gould, 1870) Tenellia fuscata (p. 131, 286 )
Teralatirus cayohuesonicus (Sowerby III, 1879) Teralatirus cayohuesonicus (p. )
Terebra arcas Abbott, 1954 Terebra arcas (p. )
Terebra concava (Say, 1826) Terebra concava (p. )
Terebra crenifera Deshayes, 1859 Terebra crenifera (p. )
Terebra dislocata (Say, 1822) Terebra dislocata (p. )
Terebra floridana Dall, 1889 Terebra floridana (p. )
Terebra glossema Schwengel, 1942 Terebra glossema (p. )
Terebra nassula Dall, 1889 Terebra nassula (p. )
Terebra pedroana Dall, 1908 Terebra pedroana (p. )
Terebra protexta (Conrad, 1846) Terebra protexta (p. )
Terebra rushii Dall, 1889 Terebra rushii (p. )
Terebra taurina (Lightfoot, 1786) Terebra taurina (p. )
Terebra vinosa Dall, 1889 Terebra vinosa (p. )
Teredo bartschi Clapp, 1923 Teredo bartschi (p. )
Teredo fulleri Clapp, 1924 Teredo fulleri (p. )
Teredo furcifera von Martens, 1894 Teredo furcifera (p. )
Teredo navalis Linnaeus, 1758 Teredo navalis (p. )
Teredo portoricensis Clapp, 1924 Teredo portoricensis (p. )
Teredora malleolus (Turton, 1822) Teredora malleolus (p. )
Tergipes tergipes (Forsskål, 1775) Tergipes tergipes (p. 131 )
Teskeyostrea weberi (Olsson, 1951) Teskeyostrea weberi (p. 32 )
Tetracheledone spinicirrhus Voss, 1955 Tetracheledone spinicirrhus (p. 165 )
Tetronychoteuthis dussumieri (D'Orbigny, 1839) Tetronychoteuthis dussumieri (p. 162 )
Teuthowenia megalops (Prosch, 1847) Teuthowenia megalops (p. 164 )
Texadina barretti (Morrison, 1965) Texadina barretti (p. )
Texadina sphinctostoma (Abbott & Ladd, 1951) Texadina sphinctostoma (p. )
Texapyrgus longleyi Thompson & Hershler, 1991 Texapyrgus longleyi (p. )
Thais deltoidea (Lamarck, 1822) Thais deltoidea (p. )
Thala gratiosa (Reeve, 1845) Thala gratiosa (p. )
Thaleia nisonis (Dall, 1889) Thaleia nisonis (p. )
Thecacera pennigera (Montagu, 1815) Thecacera pennigera (p. 126, 281 )
Theora lubrica Gould, 1861 Theora lubrica (p. )
Thliptodon diaphanus (Meisenheimer, 1903) Thliptodon diaphanus (p. 122 )
Thordisa bimaculata Lance, 1966 Thordisa bimaculata (p. 128 )
Thordisa rubescens Behrens & Henderson, 1981 Thordisa rubescens (p. 128 )
Thracia challisiana Dall, 1915 Thracia challisiana (p. )
Thracia condoni Dall, 1909 Thracia condoni (p. )
Thracia conradi Couthouy, 1839 Thracia conradi (p. )
Thracia curta Conrad, 1837 Thracia curta (p. )
Thracia devexa Sars, 1878 Thracia devexa (p. )
Thracia morrisoni Petit, 1964 Thracia morrisoni (p. )
Thracia myopsis Møller, 1842 Thracia myopsis (p. )
Thracia phaseolina (Lamarck, 1822) Thracia phaseolina (p. )
Thracia septentrionalis Jeffreys, 1872 Thracia septentrionalis (p. )
Thracia stimpsoni Dall, 1886 Thracia stimpsoni (p. )
Thracia trapezoides Conrad, 1849 Thracia trapezoides (p. )
Thuridilla picta (Verrill, 1901) Thuridilla picta (p. 123, 277 )
Thyasira flexuosa (Montagu, 1803) Thyasira flexuosa (p. 39 )
Thyasira granulosa Monterosato, 1874 Thyasira granulosa (p. 39 )
Thyasira rotunda Jeffreys, 1881 Thyasira rotunda (p. 39 )
Thyasira simplex Verrill & Bush, 1898 Thyasira simplex (p. 39 )
Thyasira succisa (Jeffreys, 1876) Thyasira succisa (p. 39 )
Thyasira trisinuata (d'Orbigny, 1842) Thyasira trisinuata (p. 39 )
Thylacodes squamigerus (Carpenter, 1857) Serpulorbis squamiger (p. )
Thysanoteuthis rhombus Troschel, 1857 Thysanoteuthis rhombus (p. 164 )
Timoclea grus (Holmes, 1858) Timoclea grus (p. )
Timoclea pygmaea (Lamarck, 1818) Timoclea pygmaea (p. )
Tivela floridana Rehder, 1939 Tivela floridana (p. )
Tivela stultorum (Mawe, 1823) Tivela stultorum (p. )
Tochuina tetraquetra (Pallas, 1788) Tochuina tetraquetra (p. 129 )
Tomura bicaudata (Pilsbry & McGinty, 1946) Tomura bicaudata (p. )
Tonicia schrammi (Shuttleworth, 1856) Tonicia schrammi (p. )
Tonna galea (Linnaeus, 1758) Tonna galea (p. )
Tonna pennata (Morch, 1852) Tonna pennata (p. )
Torellia delicata (Philippi, 1844) Torellia delicata (p. )
Torellia vallonia Dall, 1919 Torellia vallonia (p. )
Tornatina inconspicua (Olsson & McGinty, 1958) Tornatina inconspicua (p. 118, 274 )
Toxolasma corvunculus (Lea, 1868) Toxolasma corvunculus (p. 37 )
Toxolasma cylindrellus (Lea, 1868) Toxolasma cylindrellus (p. 37 )
Toxolasma lividus (Rafinesque, 1831) Toxolasma lividus (p. 37 )
Toxolasma mearnsi (Simpson, 1900) Toxolasma mearnsi (p. 37 )
Toxolasma parvus (Barnes, 1823) Toxolasma parvus (p. 37 )
Toxolasma paulus (Lea, 1840) Toxolasma paulus (p. 37 )
Toxolasma pullus (Conrad, 1838) Toxolasma pullus (p. 37 )
Toxolasma texasiensis (Lea, 1857) Toxolasma texasiensis (p. 37 )
Trachycardium egmontianum (Shuttleworth, 1856) Trachycardium egmontianum (p. 42 )
Trachycardium magnum (Linnaeus, 1758) Trachycardium magnum (p. 42 )
Trachycardium muricatum (Linnaeus, 1758) Trachycardium muricatum (p. 42 )
Trachycardium quadragenarium (Conrad, 1837) Trachycardium quadragenarium (p. 42 )
Trachypollia lugubris (Adams, 1852) Trachypollia lugubris (p. )
Trachypollia nodulosa (Adams, 1845) Trachypollia nodulosa (p. )
Trachypollia turricula (von Maltzan, 1884) Trachypollia turricula (p. )
Tralia ovula (Bruguiére, 1789) Tralia ovula (p. 133 )
Transennella conradina Dall, 1884 Transennella conradina (p. )
Transennella cubaniana (d'Orbigny, 1853) Transennella cubaniana (p. )
Transennella stimpsoni Dall, 1902 Transennella stimpsoni (p. )
Trapania dalva Marcus, 1972 Trapania dalva (p. 125 )
Trapania velox (Cockerell, 1901) Trapania velox (p. 125 )
Tremoctopus gelatus Thomas, 1977 Tremoctopus gelatus (p. 166 )
Tremoctopus violaceus Chiaje, 1830 Tremoctopus violaceus (p. 166 )
Tresus capax (Gould, 1850) Tresus capax (p. 43 )
Tresus nuttallii (Conrad, 1837) Tresus nuttallii (p. 43 )
Trichotropis bicarinata (Sowerby I, 1825) Trichotropis bicarinata (p. )
Trichotropis cancellata Hinds, 1843 Trichotropis cancellata (p. )
Trichotropis insignis Middendorff, 1849 Trichotropis insignis (p. )
Trigonostoma rugosum (Lamarck, 1822) Trigonostoma rugosum (p. )
Trigonulina ornata (d'Orbigny, 1842) Trigonulina ornata (p. )
Trimusculus carinatus (Dall, 1870) Trimusculus carinatus (p. 137 )
Trimusculus reticulatus (Sowerby I, 1835) Trimusculus reticulatus (p. 137 )
Triopha catalinae (Cooper, 1863) Triopha catalinae (p. 126 )
Triopha maculata MacFarland, 1905 Triopha maculata (p. 126 )
Triopha occidentalis (Fewkes, 1889) Triopha occidentalis (p. 126 )
Triphora pedroana (Bartsch, 1907) Triphora pedroana (p. )
Tritogonia verrucosa (Rafinesque, 1820) Tritogonia verrucosa (p. 37 )
Tritonia diomedea Bergh, 1894 Tritonia diomedea (p. 129 )
Tritonia festiva (Stearns, 1873) Tritonia festiva (p. 129, 283 )
Tritonia myrakeenae Bertsch & Mozqueira, 1986 Tritonia myrakeenae (p. 129, 283 )
Tritonia plebeia Johnston, 1828 Tritonia plebeia (p. 129, 283 )
Tritonicula bayeri (Marcus & Marcus, 1967) Tritonia bayeri bayeri (p. 129, 283 )
Tritonicula wellsi (Marcus, 1961) Tritonidoxa wellsi (p. 129, 283 )
Tritoniopsis frydis Marcus & Marcus, 1970 Tritoniopsis frydis (p. 129, 283 )
Tritonoharpa lanceolata (Menke, 1828) Tritonoharpa lanceolata (p. )
Truncatella californica Pfeiffer, 1857 Truncatella californica (p. )
Truncatella caribaeensis Reeve, 1842 Truncatella caribaeensis (p. )
Truncatella pulchella Pfeiffer, 1839 Truncatella pulchella (p. )
Truncilla cognata (Lea, 1860) Truncilla cognata (p. 37 )
Truncilla donaciformis (Lea, 1828) Truncilla donaciformis (p. 37 )
Truncilla macrodon (Lea, 1859) Truncilla macrodon (p. 37 )
Truncilla truncata Rafinesque, 1820 Truncilla truncata (p. 37 )
Tryonia adamantina Taylor, 1987 Tryonia adamantina (p. )
Tryonia aequicostata (Pilsbry, 1889) Tryonia aequicostata (p. )
Tryonia alamosae Taylor, 1987 Tryonia alamosae (p. )
Tryonia angulata Hershler & Sada, 1987 Tryonia angulata (p. )
Tryonia brevissima (Pilsbry, 1890) Tryonia brevissima (p. )
Tryonia cheatumi (Pilsbry, 1935) Tryonia cheatumi (p. )
Tryonia clathrata Stimpson, 1865 Tryonia clathrata (p. )
Tryonia diaboli (Pilsbry & Ferriss, 1906) Tryonia diaboli (p. )
Tryonia elata Hershler & Sada, 1987 Tryonia elata (p. )
Tryonia ericae Hershler & Sada, 1987 Tryonia ericae (p. )
Tryonia gilae Taylor, 1987 Tryonia gilae (p. )
Tryonia imitator (Pilsbry, 1899) Tryonia imitator (p. )
Tryonia kosteri Taylor, 1987 Tryonia kosteri (p. )
Tryonia margae Hershler, 1989 Tryonia margae (p. )
Tryonia protea (Gould, 1855) Tryonia protea (p. )
Tryonia quitobaquitae Hershler, 1988 Tryonia quitobaquitae (p. )
Tryonia robusta Hershler, 1989 Tryonia robusta (p. )
Tryonia rowlandsi Hershler, 1989 Tryonia rowlandsi (p. )
Tryonia salina Hershler, 1989 Tryonia salina (p. )
Tryonia variegata Hershler & Sada, 1987 Tryonia variegata (p. )
Tulotoma magnifica (Conrad, 1834) Tulotoma magnifica (p. )
Turbo cailletii Fischer & Bernardi, 1857 Turbo cailletii (p. )
Turbo canaliculatus Hermann, 1781 Turbo canaliculatus (p. )
Turbo castanea Gmelin, 1791 Turbo castanea (p. )
Turbo radiatus Gmelin, 1791 Turbo radiatus (p. )
Turcica caffea (Gabb, 1865) Turcica caffea (p. )
Turritella acropora Dall, 1889 Turritella acropora (p. )
Turritella cooperi Carpenter, 1864 Turritella cooperi (p. )
Turritella exoleta (Linnaeus, 1758) Turritella exoleta (p. )
Turritella variegata (Linnaeus, 1758) Turritella variegata (p. )
Turritellopsis stimpsoni Dall, 1919 Turritellopsis stimpsoni (p. )
Turritriton labiosus (Wood, 1828) Cymatium labiosum (p. )
Turtonia minuta (Fabricius, 1780) Turtonia minuta (p. )
Tylodina americana Dall, 1890 Tylodina americana (p. 124 )
Tylodina fungina Gabb, 1865 Tylodina fungina (p. 124 )
Typhinellus sowerbii (Broderip, 1833) Typhinellus sowerbii (p. )
Umbilibalcis lata (Dall, 1889) Umbilibalcis lata (p. )
Umbraculum umbraculum (Lightfoot, 1786) Umbraculum umbraculum (p. 124 )
Unela nahantensis Doe, 1974 Unela nahantensis (p. 120, 275 )
Unela remanei Marcus, 1953 Unela remanei (p. 120, 275 )
Uniomerus carolinianus (Bosc, 1801) Uniomerus carolinianus (p. )
Uniomerus declivis (Say, 1831) Uniomerus declivis (p. 37 )
Uniomerus tetralasmus (Say, 1831) Uniomerus tetralasmus (p. 37 )
Urosalpinx cinerea (Say, 1822) Urosalpinx cinerea (p. )
Urosalpinx macra Verrill, 1884 Urosalpinx macra (p. )
Urosalpinx perrugata (Conrad, 1846) Urosalpinx perrugata (p. )
Urosalpinx tampaensis (Conrad, 1846) Urosalpinx tampaensis (p. )
Utterbackia imbecillis (Say, 1829) Utterbackia imbecillis (p. 37 )
Utterbackia peggyae (Johnson, 1965) Utterbackia peggyae (p. 37 )
Utterbackia peninsularis Bogan & Hoeh, 1995 Utterbackia peninsularis (p. 37 )
Valvata bicarinata Lea, 1841 Valvata bicarinata (p. )
Valvata humeralis Say, 1829 Valvata humeralis (p. )
Valvata lewisi Currier, 1868 Valvata lewisi (p. )
Valvata mergella Westerlund, 1883 Valvata mergella (p. )
Valvata perdepressa Walker, 1906 Valvata perdepressa (p. )
Valvata piscinalis (Müller, 1774) Valvata piscinalis (p. )
Valvata sincera Say, 1824 Valvata sincera (p. )
Valvata tricarinata (Say, 1817) Valvata tricarinata (p. )
Valvata utahensis Call, 1884 Valvata utahensis (p. )
Valvata virens Tryon, 1863 Valvata virens (p. )
Valvata winnebagoensis Baker, 1928 Valvata winnebagoensis (p. )
Vampyroteuthis infernalis Chun, 1903 Vampyroteuthis infernalis (p. 165 )
Vanikoro oxychone Morch, 1877 Vanikoro oxychone (p. )
Varicorbula operculata (Philippi, 1848) Varicorbula operculata (p. )
Vasum muricatum (Born, 1778) Vasum muricatum (p. )
Velutina conica Dall, 1887 Velutina conica (p. )
Velutina granulata Dall, 1919 Velutina granulata (p. )
Velutina lanigera Moller, 1842 Velutina lanigera (p. )
Velutina plicatilis (Müller, 1776) Velutina plicatilis (p. )
Velutina rubra Willett, 1919 Velutina rubra (p. )
Velutina undata (Brown, 1839) Velutina undata (p. )
Velutina velutina (Müller, 1776) Velutina velutina (p. )
Ventridens acerra (Lewis, 1870) Ventridens acerra (p. )
Ventridens arcellus Hubricht, 1976 Ventridens arcellus (p. )
Ventridens brittsi (Pilsbry, 1892) Ventridens brittsi (p. )
Ventridens cerinoideus (Anthony, 1865) Ventridens cerinoideus (p. )
Ventridens coelaxis (Pilsbry, 1899) Ventridens coelaxis (p. )
Ventridens collisella (Pilsbry, 1896) Ventridens collisella (p. )
Ventridens decussatus (Walker & Pilsbry, 1902) Ventridens decussatus (p. )
Ventridens demissus (Binney, 1843) Ventridens demissus (p. )
Ventridens eutropis Pilsbry, 1946 Ventridens eutropis (p. )
Ventridens gularis (Say, 1822) Ventridens gularis (p. )
Ventridens intertextus (Binney, 1841) Ventridens intertextus (p. )
Ventridens lasmodon (Phillips, 1841) Ventridens lasmodon (p. )
Ventridens lawae (Binney, 1892) Ventridens lawae (p. )
Ventridens ligera (Say, 1821) Ventridens ligera (p. )
Ventridens monodon Hubricht, 1964 Ventridens monodon (p. )
Ventridens percallosus (Pilsbry, 1898) Ventridens percallosus (p. )
Ventridens pilsbryi Hubricht, 1964 Ventridens pilsbryi (p. )
Ventridens suppressus (Say, 1829) Ventridens suppressus (p. )
Ventridens theloides (Walker & Pilsbry, 1902) Ventridens theloides (p. )
Ventridens virginicus (Vanatta, 1936) Ventridens virginicus (p. )
Ventridens volusiae (Pilsbry, 1900) Ventridens volusiae (p. )
Venustaconcha ellipsiformis (Conrad, 1836) Venustaconcha ellipsiformis (p. 37 )
Venustaconcha pleasii (Marsh, 1891) Venustaconcha pleasii (p. 37 )
Vermicularia knorrii (Deshayes, 1843) Vermicularia knorrii (p. )
Vermicularia radicula (Stimpson, 1851) Vermicularia radicula (p. )
Vermicularia spirata (Philippi, 1836) Vermicularia spirata (p. )
Verticosta migrans (Dall, 1881) Trichotropis migrans (p. )
Vesicomya vesica (Dall, 1886) Vesicomya vesica (p. 46 )
Vexillum dermestinum (Lamarck, 1811) Vexillum dermestinum (p. )
Vexillum epiphaneum (Rehder, 1943) Vexillum epiphaneum (p. )
Vexillum gemmatum (Sowerby II, 1874) Vexillum gemmatum (p. )
Vexillum histrio (Reeve, 1844) Vexillum histrio (p. )
Vexillum laterculatum (Sowerby II, 1874) Vexillum laterculatum (p. )
Vexillum puella (Reeve, 1845) Vexillum puella (p. )
Vexillum pulchellum (Reeve, 1844) Vexillum pulchellum (p. )
Vexillum styria (Dall, 1889) Vexillum styria (p. )
Vexillum sykesi (Melvill, 1925) Vexillum sykesi (p. )
Vexillum wandoense (Holmes, 1860) Vexillum wandoense (p. )
Vilasina seminuda (Dall, 1897) Vilasina seminuda (p. 27 )
Vilasina vernicosa (Middendorff, 1849) Vilasina vernicosa (p. 27 )
Villosa amygdala (Lea, 1843) Villosa amygdala (p. 37 )
Villosa arkansasensis (Lea, 1862) Villosa arkansasensis (p. 37 )
Villosa choctawensis Athearn, 1964 Villosa choctawensis (p. 37 )
Villosa constricta (Conrad, 1838) Villosa constricta (p. 37 )
Villosa delumbis (Conrad, 1834) Villosa delumbis (p. 37 )
Villosa fabalis (Lea, 1831) Villosa fabalis (p. 37 )
Villosa iris (Lea, 1829) Villosa iris (p. 37 )
Villosa lienosa (Conrad, 1834) Villosa lienosa (p. 38 )
Villosa nebulosa (Conrad, 1834) Villosa nebulosa (p. 38 )
Villosa ortmanni (Walker, 1925) Villosa ortmanni (p. 38 )
Villosa perpurpurea (Lea, 1861) Villosa perpurpurea (p. 38 )
Villosa taeniata (Conrad, 1834) Villosa taeniata (p. 38 )
Villosa trabalis (Conrad, 1834) Villosa trabalis (p. 38 )
Villosa vaughaniana (Lea, 1838) Villosa vaughaniana (p. 38 )
Villosa vibex (Conrad, 1834) Villosa vibex (p. 38 )
Villosa villosa (Wright, 1898) Villosa villosa (p. 38 )
Vitrea contracta (Westerlund, 1871) Vitrea contracta (p. )
Vitreledonella richardi Joubin, 1918 Vitreledonella richardi (p. 165 )
Vitreolina arcuata (Adams, 1850) Vitreolina arcuata (p. )
Vitrinella floridana Pilsbry & McGinty, 1946 Vitrinella floridana (p. )
Vitrinella helicoidea Adams, 1850 Vitrinella helicoidea (p. )
Vitrinizonites latissimus (Lewis, 1875) Vitrinizonites latissimus (p. )
Vitrinorbis diegensis (Bartsch, 1907) Vitrinorbis diegensis (p. )
Vitta virginea (Linnaeus, 1758) Neritina virginea (p. )
Viviparus georgianus (Lea, 1834) Viviparus georgianus (p. )
Viviparus goodrichi Archer, 1933 Viviparus goodrichi (p. )
Viviparus intertextus (Say, 1829) Viviparus intertextus (p. )
Viviparus limi Pilsbry, 1918 Viviparus limi (p. )
Viviparus subpurpureus (Say, 1829) Viviparus subpurpureus (p. )
Volutomitra groenlandica (Moller, 1842) Volutomitra groenlandica (p. )
Volutopsion castaneum (Dall, 1877) Volutopsion castaneum (p. )
Volutopsius castaneus (Morch, 1858) Volutopsius castanea (p. )
Volutopsius fragilis (Dall, 1891) Volutopsius fragilis (p. )
Volutopsius middendorffii (Dall, 1891) Volutopsius middendorffii (p. )
Volutopsius norwegicus (Gmelin, 1791) Volutopsius norwegicus (p. )
Volutopsius regularis (Dall, 1873) Volutopsius regularis (p. )
Volutopsius trophonius Dall, 1902 Volutopsius trophonius (p. )
Volva volva Linnaeus, 1758 Volva volva (p. )
Volvarina albolineata (d'Orbigny, 1842) Volvarina albolineata (p. )
Volvarina avena (Kiener, 1834) Volvarina avena (p. )
Volvarina subtriplicata (d'Orbigny, 1842) Volvarina subtriplicata (p. )
Volvarina taeniolata Morch, 1860 Volvarina taeniolata (p. )
Volvatella bermudae Clark, 1982 Volvatella bermudae (p. 123, 277 )
Volvulella californica Dall, 1919 Volvulella californica (p. 119 )
Volvulella cylindrica (Carpenter, 1864) Volvulella cylindrica (p. 119 )
Volvulella panamica Dall, 1919 Volvulella panamica (p. 119 )
Volvulella paupercula (Watson, 1883) Volvulella paupercula (p. 119 )
Volvulella persimilis (Morch, 1875) Volvulella persimilis (p. 119 )
Volvulella recta (Morch, 1875) Volvulella recta (p. 119 )
Volvulella texasiana Harry, 1967 Volvulella texasiana (p. 119 )
Vorticifex effusa (Lea, 1856) Vorticifex effusa (p. 136 )
Vorticifex solida (Dall, 1870) Vorticifex solida (p. 136 )
Williamia krebsii (Morch, 1877) Williamia krebsii (p. 137 )
Williamia peltoides (Carpenter, 1864) Williamia peltoides (p. 137 )
Woodbridgea polystrigma (Dall, 1908) Woodbridgea polystrigma (p. 120 )
Xenophora caribaea Petit de la Saussaye, 1857 Xenophora caribaea (p. )
Xenophora conchyliophora (Born, 1780) Xenophora conchyliophora (p. )
Xenophora longleyi Bartsch, 1931 Xenophora longleyi (p. )
Xylophaga atlantica Richards, 1942 Xylophaga atlantica (p. )
Xylophaga washingtona Bartsch, 1921 Xylophaga washingtona (p. )
Yoldia cooperii Gabb, 1865 Yoldia cooperii (p. 26 )
Yoldia hyperborea (Gould, 1841) Yoldia hyperborea (p. 26 )
Yoldia limatula (Say, 1831) Yoldia limatula (p. 26 )
Yoldia myalis (Couthouy, 1838) Yoldia myalis (p. 26 )
Yoldia sapotilla (Gould, 1841) Yoldia sapotilla (p. 26 )
Yoldia seminuda Dall, 1871 Yoldia seminuda (p. 26 )
Yoldiella dissimilis (Verrill & Bush, 1898) Yoldiella dissimilis (p. 26 )
Yoldiella frigida (Torell, 1859) Yoldiella frigida (p. 26 )
Yoldiella inconspicua (Verrill & Bush, 1898) Yoldiella inconspicua (p. 26 )
Yoldiella lenticula (Moller, 1842) Portlandia lenticula (p. 26 )
Yoldiella lucida (Loven, 1846) Yoldiella lucida (p. 26 )
Yoldiella nana (Sars, 1865) Yoldiella nana (p. 26 )
Yoldiella orcia (Dall, 1916) Yoldiella orcia (p. 26 )
Zafrona pulchella (de Blainville, 1829) Zafrona pulchella (p. )
Zebina browniana (d'Orbigny, 1842) Zebina browniana (p. )
Zelentia pustulata (Alder & Hancock, 1854) Cuthona pustulata (p. 131, 285-286 )
Zirfaea crispata (Linnaeus, 1758) Zirfaea crispata (p. )
Zirfaea pilsbryi Lowe, 1931 Zirfaea pilsbryi (p. )
Zonaria spadicea (Swainson, 1823) Zonaria spadicea (p. )
Zonitoides arboreus (Say, 1816) Zonitoides arboreus (p. )
Zonitoides elliotti (Redfield, 1856) Zonitoides elliotti (p. )
Zonitoides kirbyi Fullington, 1974 Zonitoides kirbyi (p. )
Zonitoides lateumbilicatus (Pilsbry, 1895) Zonitoides lateumbilicatus (p. )
Zonitoides limatulus (Binney, 1840) Zonitoides limatulus (p. )
Zonitoides nitidus (Müller, 1774) Zonitoides nitidus (p. )
Zonitoides patuloides (Pilsbry, 1895) Zonitoides patuloides (p. )

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