| Species name | Common name | Distribution | Max. Length (cm) | 
|---|---|---|---|
| Molgula amesophleba (Codreanu & Mack-Fira, 1956) | Northeast Atlantic and the Mediterranean Sea | ||
| Molgula antiborealis Millar, 1967 | Southeast Atlantic | ||
| Molgula appendiculata Heller, 1877 | Atlantic and the Mediterranean Sea | ||
| Molgula arenata Stimpson, 1852 | Northwest Atlantic | ||
| Molgula bisinus Monniot, 1989 | Western Central Pacific | ||
| Molgula bleizi (Lacaze-Duthiers, 1877) | Atlantic and the Mediterranean Sea | ||
| Molgula bourbonis Monniot, 1994 | Southwest Indian Ocean | ||
| Molgula braziliensis Millar, 1958 | Southwest Atlantic | ||
| Molgula brieni Monniot & Monniot, 1976 | Western Indian Ocean | ||
| Molgula calvata Sluiter, 1904 | Indo-West Pacific | ||
| Molgula caminae Monniot & Monniot, 1988 | Northeast Atlantic | ||
| Molgula celebensis Millar, 1975 | Western Central Pacific | ||
| Molgula celtica Monniot, 1970 | Northeast Atlantic | ||
| Molgula citrina Alder & Hancock, 1848 | Sea grape | Northern Atlantic and the Arctic | 1.8 | 
| Molgula coactilis Monniot & Monniot, 1977 | Antarctic Indian Ocean | ||
| Molgula complanata Alder & Hancock, 1870 | Atlantic and the Arctic | 1.5 | |
| Molgula conchata Sluiter, 1898 | Southeast Atlantic and Indo-West Pacific | ||
| Molgula confluxa (Sluiter, 1912) | Antarctica | ||
| Molgula contorta Sluiter, 1898 | Western Central Atlantic | ||
| Molgula cooperi (Huntsman, 1912) | Northeast Pacific | ||
| Molgula crinita Sluiter, 1904 | Indo-Pacific | ||
| Molgula crustosa Monniot & Monniot, 1988 | Northeast Atlantic | ||
| Molgula cryptica Millar, 1962 | Southeast Atlantic | ||
| Molgula delicata Monniot & Monniot, 1991 | Western Pacific | 0.9 | |
| Molgula dextrocarpa Monniot & Monniot, 1974 | Northern Atlantic | ||
| Molgula dicosta Millar, 1988 | Western Indian Ocean | ||
| Molgula dione (Savigny, 1816) | Western Indian Ocean | 2.6 | |
| Molgula discogona Millar, 1975 | Western Central Pacific | ||
| Molgula diversa Kott, 1972 | Western Pacific | ||
| Molgula echinosiphonica Lacaze-Duthiers, 1877 | Northeast Atlantic | ||
| Molgula ellistoni Kott, 1972 | Eastern Indian Ocean | ||
| Molgula enodis (Sluiter, 1912) | Antarctic | ||
| Molgula estadosi Monniot & Monniot, 1983 | Southwest Atlantic and Southeast Pacific | ||
| Molgula euplicata Herdman, 1923 | Antarctic and sub-Antarctic | ||
| Molgula euprocta Drasche, 1884 | Northeast Atlantic and the Mediterranean | ||
| Molgula falsensis Millar, 1955 | Southeast Atlantic | ||
| Molgula ficus (Macdonald, 1859) | Indo-Pacific | ||
| Molgula georgiana Michaelsen, 1922 | Southwest Pacific, Antarctic and sub-Antarctic | ||
| Molgula gigantea (Herdman, 1881) | Antarctic | ||
| Molgula griffithsii (Macleay, 1825) | Northern Atlantic, Northern Pacific and the Arctic | ||
| Molgula habanensis Van Name, 1945 | Western Atlantic | ||
| Molgula helleri Drasche, 1884 | Eastern Atlantic and the Mediterranean | ||
| Molgula herdmani Bjerkan, 1905 | Southwest Pacific and Northeast Atlantic | ||
| Molgula hirta Monniot, 1965 | Northeast Atlantic | ||
| Molgula hodgsoni Herdman, 1910 | Antarctic | ||
| Molgula hozawai Oka, 1932 | Northwest Pacific | ||
| Molgula impura Heller, 1877 | Northeast Atlantic and the Mediterranean | ||
| Molgula incidata Kott, 1985 | Western Pacific | ||
| Molgula karubari Monniot & Monniot, 2003 | Western Central Pacific | ||
| Molgula kerguelenensis Kott, 1954 | Antarctic and sub-Antarctic | ||
| Molgula kiaeri Hartmeyer, 1903 | Northeast Atlantic | ||
| Molgula kolaensis Ärnbäck, 1928 | Northeast Atlantic | ||
| Molgula kophameli Michaelsen, 1900 | Southwest Atlantic | ||
| Molgula longitubis Monniot, 2002 | Western Indian Ocean | ||
| Molgula longivascula Millar, 1982 | Southwest Pacific and the Antarctic | ||
| Molgula lutulenta (Van Name, 1912) | Northwest Atlantic | ||
| Molgula macquariensis Kott, 1954 | Antarctic Indian Ocean and Southwest Pacific | ||
| Molgula malvinensis Ärnbäck, 1938 | Indo-West Pacific, Southwest Atlantic, and the Antarctic | ||
| Molgula manhattensis (DeKay, 1843) | Common sea grape | Indo-Pacific, Atlantic Ocean, Mediterranean, and the Arctic | 4 | 
| Molgula marioni Millar, 1960 | Southern Pacific, Southwest Atlantic, and the Antarctic | ||
| Molgula millari Kott, 1971 | Antarctic Atlantic and Indo-West Pacific | 1.3 | |
| Molgula mira (Ärnbäck, 1931) | Northeast Atlantic | ||
| Molgula mollis Herdman, 1899 | Indo-West Pacific | ||
| Molgula mortenseni (Michaelsen, 1922) | Indo-Pacific, Southwest Atlantic, and Antarctic | ||
| Molgula napiformis Lambert, 1993 | Eastern Central Pacific | ||
| Molgula novaeselandiae (Michaelsen, 1912) | Southwest Pacific | ||
| Molgula occidentalis Traustedt, 1883 | Cosmopolitan | 3 | |
| Molgula occulta Kupffer, 1875 | Atlantic and the Mediterranean Sea | ||
| Molgula oculata Forbes, 1848 | Atlantic and the Mediterranean Sea | 8 | |
| Molgula oregonia Ritter, 1913 | Northeast Pacific | ||
| Molgula pacifica (Huntsman, 1912) | Globular ascidian | Northeast Pacific | |
| Molgula pedunculata Herdman, 1881 | Southwest Atlantic, Indo-Pacific and the Antarctic | 10 | |
| Molgula phytophila Monniot, 1970 | Southwest Atlantic | 0.5 | |
| Molgula pigafettae Monniot & Monniot, 1983 | Southwest Atlantic and Southeast Pacific | ||
| Molgula pila Monniot & Monniot, 1985 | Eastern Indian Ocean | ||
| Molgula plana Monniot, 1971 | Northeast Atlantic | ||
| Molgula platana Van Name, 1945 | Southwest Atlantic | ||
| Molgula platei Hartmeyer, 1914 | South Africa | ||
| Molgula platybranchia Monniot, 1969 | Atlantic Ocean | 1.2 | |
| Molgula provisionalis Van Name, 1945 | Western Atlantic | ||
| Molgula pugetiensis Herdman, 1898 | Pacific Ocean | ||
| Molgula pulchra Michaelsen, 1900 | Southern Pacific, Southwest Atlantic, and the Antarctic | 1 | |
| Molgula pumila Monniot & Monniot, 1976 | Northeast Atlantic and the Mediterranean Sea | ||
| Molgula pyriformis Herdman, 1881 | Southeast Pacific and Atlantic Ocean | ||
| Molgula regularis Ritter, 1907 | Northwest Pacific | ||
| Molgula retortiformis Verrill, 1871 | Sea clod | Arctic, Northern Pacific and Northern Atlantic | 10 | 
| Molgula rheophila (Pérès, 1956) | Northeast Atlantic and the Mediterranean Sea | ||
| Molgula riddlei Monniot, Dettai, Eleaume, Cruaud & Ameziane, 2011 | Antarctic Indian Ocean | ||
| Molgula rima Kott, 1972 | Western Central Pacific | ||
| Molgula robini Monniot & Monniot, 1983 | Antarctic | ||
| Molgula robusta (Van Name, 1912) | Northwest Atlantic | ||
| Molgula roemeri Hartmeyer, 1903 | Northeast Atlantic | ||
| Molgula romeri Hartmeyer, 1903 | Northeast Atlantic | ||
| Molgula roulei Monniot, 1970 | Atlantic and the Mediterranean Sea | ||
| Molgula sabulosa (Quoy & Gaimard, 1834) | Indo-West Pacific | ||
| Molgula satyrus Monniot & Monniot, 1993 | Eastern Atlantic | 0.75 | |
| Molgula scutata Millar, 1955 | Southeast Atlantic and Western Indian Ocean | ||
| Molgula setigera Ärnbäck, 1938 | Southeast Pacific, Southwest Atlantic, and the Antarctic | ||
| Molgula simplex Alder & Hancock, 1870 | Northeast Atlantic | ||
| Molgula siphonalis Sars, 1859 | Northern Atlantic, Northeast Pacific and the Arctic | ||
| Molgula siphonata Alder, 1850 | Northeast Atlantic | ||
| Molgula sluiteri (Michaelsen, 1922) | Southwest Pacific and Antarctic | ||
| Molgula socialis Alder, 1848 | Atlantic, Antarctic and the Mediterranean Sea | ||
| Molgula solenata (Lacaze-Duthiers, 1877) | Northeast Atlantic | ||
| Molgula sphaera Kott, 1972 | Indo-West Pacific | ||
| Molgula tectiformis Nishikawa, 1991 | Northwest Pacific | ||
| Molgula tethys Monniot & Monniot, 1974 | Atlantic and the Mediterranean Sea | ||
| Molgula topata Monniot & Monniot, 1987 | Southwest Pacific | ||
| Molgula tubifera (Ørsted, 1844) | Northeast Atlantic | ||
| Molgula vara Monniot & Monniot, 1979 | Atlantic and the Mediterranean Sea | ||
| Molgula variazizi Monniot, 1978 | Antarctic Indian Ocean | ||
| Molgula verrilli (Van Name, 1912) | Northwest Atlantic | ||
| Molgula verrucifera Ritter & Forsyth, 1917 | Eastern Central Pacific | ||
| Molgula xenophora Oka, 1914 | Northwest Pacific |