| Nominal Species (n = 111) | Present allocation (n = 105) | Ref. |
|---|---|---|
| Caprella acanthifera Leach, 1814 | Caprella acanthifera | 19 |
| Caprella acutifrons Latreille, 1816 | Caprella penantis | 3477 |
| Aeginina aenigmatica Laubitz, 1972 | Aeginina aenigmatica | 19 |
| Caprella aequlibra Say, 1818 | Caprella aequlibra | 75927 |
| Caprella alaskana Mayer, 1903 | Caprella alaskana | 19 |
| Caprella andreae Mayer, 1890 | Caprella andreae | 19 |
| Protellina arctica Vassilenko, 1974 | Protellina arctica | 3477 |
| Symmetrella arnaudi Laubitz, 1995 | Symmetrella arnaudi | 3477 |
| Aciconula australiensis Guerra-Garcia, 2004 | Aciconula australiensis | 3477 |
| Noculacia australiensis Guerra-García, 2002 | Noculacia australiensis | 3477 |
| Caprella bathytatos Martin & Pettit, 1998 | Caprella bathytatos | 19 |
| Semidodecas beuroisi Laubitz, 1995 | Semidodecas beuroisi | 3477 |
| Caprella borealis Mayer, 1903 | Caprella borealis | 19 |
| Caprella brevirostris Mayer, 1903 | Caprella brevirostris | 19 |
| Caprella californica Stimpson, 1857 | Caprella californica | 19 |
| Caprella carina Mayer, 1903 | Caprella carina | 19 |
| Caprella ciliata Sars, 1883 | Caprella ciliata | 19 |
| Parvipalpus colemani Guerra-García, 2003 | Parvipalpus colemani | 3477 |
| Monoliropus concavimanus Horton, 2008 | Monoliropus concavimanus | 3477 |
| Caprella constantina Mayer, 1903 | Caprella constantina | 19 |
| Caprella cristibrachium Mayer, 1903 | Caprella cristibrachium | 19 |
| Caprella danilevskii Czerniavski, 1868 | Caprella danilevskii | 19 |
| Caprella drepanochir Mayer, 1890 | Caprella drepanochir | 19 |
| Caprella dubia Hansen, 1887 | Caprella dubia | 19 |
| Dodecasella elegans Barnard, 1931 | Dodecasella elegans | 3477 |
| Dodecas elongata Stebbing, 1883 | Dodecas elongata | 3477 |
| Thorina elongata Laubitz & Mills, 1972 | Thorina elongata | 3477 |
| Dodecas eltaninae McCain & Gray, 1971 | Dodecas elongata | 89187 |
| Protoplesius enigma Mayer, 1903 | Protoplesius enigma | 3477 |
| Caprella equilibra Say, 1818 | Caprella equilibra | 19 |
| Caprella erethizon Mayer, 1901 | Caprella erethizon | 19 |
| Pseudoproto fallax Mayer, 1903 | Pseudoproto fallax | 3477 |
| Protoplesius falx Mayer, 1903 | Protoplesius falx | 3477 |
| Caprella ferrea Mayer, 1903 | Caprella ferrea | 19 |
| Caprella fretensis Stebbing, 1878 | Caprella fretensis | 19 |
| Aeginoides gaussi Schellenberg, 1926 | Aeginoides gaussi | 3477 |
| Dodecas georgiana Schellenberg, 1931 | Dodecasella georgiana | 84663 |
| Caprella gracilior Mayer, 1903 | Caprella gracilior | 19 |
| Liropus gracilis Chevreaux, 1927 | Liropus gracilis | 3477 |
| Caprella grandimana Mayer, 1882 | Caprella grandimana | 3477 |
| Caprella greenleyi McCain, 1969 | Caprella greenleyi | 19 |
| Caprella hakuhoae Takeuchi, Kihara & Matsumoto, 2019 | Caprella hakuhoae | 3477 |
| Pseudoprotomima hedgpethi McCain & Gray, 1971 | Pseudoprotomima hedgpethi | 3477 |
| Caprella hirayamai Guerra-García & Takeuchi, 2003 | Caprella hirayamai | 3477 |
| Caprella hirsuta Mayer, 1890 | Caprella hirsuta | 3477 |
| Caprella horrida Sars, 1877 | Metacaprella horrida | 3477 |
| Pseudoprotomima hurleyi McCain, 1969 | Pseudoprotomima hurleyi | 3477 |
| Protomima imitatrix Mayer, 1903 | Protomima imitatrix | 3477 |
| Caprella incisa Mayer, 1903 | Caprella incisa | 19 |
| Caprella irregularis Mayer, 1890 | Caprella irregularis | 19 |
| Pseudoprellicana johnsoni Guerra-García, 2006 | Pseudoprellicana johnsoni | 3477 |
| Monoliropus kazemii Momtazi & Sari, 2013 | Monoliropus kazemii | 3477 |
| Protellopsis kergueleni Stebbing, 1888 | Protellopsis kergueleni | 3477 |
| Caprella kincaidi Holmes, 1904 | Caprella kincaidi | 19 |
| Paradeutella laevis Mayer, 1903 | Paradeutella laevis | 3477 |
| Caprella laeviuscula Mayer, 1903 | Caprella laeviuscula | 19 |
| Caprella liparotensis Haller, 1879 | Caprella liparotensis | 3477 |
| Caprellina longicollis Nicolet, 1849 | Caprellina longicollis | 3477 |
| Quadrisegmentum lowryi Guerra-García, 2006 | Quadrisegmentum lowryi | 3477 |
| Parvipalpus major Carausu, 1941 | Parvipalpus major | 3477 |
| Caprella manneringi McCain, 1979 | Caprella manneringi | 3477 |
| Caprellinoides mayeri Pfeffer, 1888 | Caprellinoides mayeri | 3477 |
| Orthoprotella mayeri Barnard, 1916 | Orthoprotella mayeri | 3477 |
| Deutella mazatlanensis Alarcón-Ortega & Carballo, 2019 | Deutella mazatlanensis | 3477 |
| Paraproto mccaini Takeuchi, 2015 | Paraproto mccaini | 3477 |
| Caprella mendax Mayer, 1903 | Caprella mendax | 19 |
| Tropicaprella minuta Guerra-García & Takeuchi, 2003 | Tropicaprella minuta | 3477 |
| Paedaridium miserum Mayer, 1903 | Paedaridium miserum | 3477 |
| Protoaeginella muriculata Laubitz & Mills, 1972 | Protoaeginella muriculata | 3477 |
| Paraproto murrayae Guerra-García, Keable & Ahyong, 2020 | Paraproto murrayae | 3477 |
| Caprella mutica Schurin, 1935 | Caprella mutica | 19 |
| Caprella natalensis Mayer, 1903 | Caprella natalensis | 19 |
| Liropus nelsonae Guerra-García, 2003 | Liropus nelsonae | 3477 |
| Caprella nojimaensis Takeuchi, Shiraishi & Mimori, 2021 | Caprella nojimaensis | 3477 |
| Caprellina novae-zealandiae Thompson, 1879 | Caprellina longicollis | 3477 |
| Proto novaehollandiae Haswell, 1879 | Metaproto novaehollandiae | 3477 |
| Pseudocaprellina pambanensis Sundara Raj, 1927 | Pseudocaprellina pambanensis | 3477 |
| Caprella paulina Mayer, 1903 | Caprella paulina | 19 |
| Orthoprotella pearce Guerra-García, 2006 | Notoprotella pearce | 3477 |
| Orthoprotella pearcei Guerra-García, 2006 | Notoprotella pearce | 108496 |
| Caprella penantis Leach, 1814 | Caprella penantis | 3477 |
| Caprella pilipalma Dougherty & Steinberg, 1953 | Caprella pilipalma | 19 |
| Deutella pseudoincerta Winfield & Guerra-García, 2021 | Deutella pseudoincerta | 3477 |
| Caprella pustulata Laubitz, 1970 | Caprella pustulata | 19 |
| Dodecas reducta Barnard, 1932 | Dodecas elongata | 89187 |
| Caprella rinki Stephensen, 1917 | Caprella rinki | 19 |
| Caprella scabra Holmes, 1904 | Caprella scabra | 19 |
| Caprella scaura Templeton, 1836 | Caprella scaura | 19 |
| Caprella septentrionalis Krøyer, 1838 | Caprella septentrionalis | 19 |
| Caprella simia Mayer, 1903 | Caprella simia | 3477 |
| Protella similis Mayer, 1903 | Protella similis | 3477 |
| Caprellinoides singularis Guerra-García, 2001 | Caprellinoides singularis | 3477 |
| Pseudoprotella soela Guerra-García, 2004 | Pseudoprotella soela | 3477 |
| Protoaeginella spinipoda Laubitz & Sorbe, 1996 | Protoaeginella spinipoda | 3477 |
| Aeginella spinosa Boeck, 1861 | Aeginella spinosa | 19 |
| Paradeutella spinosa Mayer, 1903 | Paradeutella spinosa | 3477 |
| Thorina spinosa Stephensen, 1944 | Thorina spinosa | 3477 |
| Caprella striata Mayer, 1903 | Caprella striata | 19 |
| Caprellaporema subantarctica Guerra-Garcia, 2003 | Caprellaporema subantarctica | 3477 |
| Aciconula tinggiensis Lim, Azman & Othman, 2019 | Aciconula tinggiensis | 3477 |
| Quadrisegmentum triangulum Hirayama, 1988 | Quadrisegmentum triangulum | 3477 |
| Protella trilobata McCain & Gray, 1971 | Protella trilobata | 3477 |
| Caprella trispinis Honeyman, 1889 | Caprella trispinis | 19 |
| Caprellinoides tristanensis Stebbing, 1888 | Caprellinoides tristanensis | 84663 |
| Caprella ungulina Mayer, 1903 | Caprella ungulina | 19 |
| Caprella unica Mayer, 1903 | Caprella unica | 19 |
| Caprella uniforma La Follette, 1915 | Caprella uniforma | 19 |
| Jigurru vailhoggett Guerra-García, 2006 | Jigurru vailhoggett | 3477 |
| Jigurru vailhoggetti Guerra-García, 2006 | Jigurru vailhoggett | 108496 |
| Caprella verrucosa Boeck, 1872 | Caprella verrucosa | 19 |
| Parvipalpina verrucosa Stephensen, 1944 | Parvipalpina verrucosa | 3477 |