Abyssascidia Herdman, 1880 (basis of record)
Abyssascidia millari Monniot F., 1971 (basis of record)
Adagnesia Kott, 1963 (basis of record)
Adagnesia charcoti Monniot C. & Monniot F., 1973 (basis of record)
Adagnesia rimosa Monniot C. & Monniot F., 1974 (basis of record)
Agnesiidae Huntsman, 1912 accepted as Agneziidae Monniot C. & Monniot F., 1991 (basis of record)
Agnezia Monniot C. & Monniot F., 1991 (additional source)
Agnezia atlantica (Monniot C. & Monniot F., 1973) (basis of record)
Agnezia celtica (Monniot C. & Monniot F., 1974) (basis of record)
Alloeocarpa Michaelsen, 1900 (basis of record)
Alloeocarpa loculosa Monniot C., 1974 (basis of record)
Anomopera Hartmeyer, 1923 (basis of record)
Anomopera ingolfiana Hartmeyer, 1923 (basis of record)
Aplidiopsis Lahille, 1890 (basis of record)
Aplidiopsis atlanticus Monniot F., 1975 (basis of record)
Aplidiopsis vitreum (Lahille, 1887) (basis of record)
Aplidium Savigny, 1816 (basis of record)
Aplidium aegeaensis (Hartmeyer, 1904) (basis of record)
Aplidium albicans (Milne Edwards, 1841) (basis of record)
Aplidium appendiculatum (Michaelsen, 1923) (basis of record)
Aplidium argus (Milne Edwards, 1841) accepted as Morchellium argus (Milne Edwards, 1841) (basis of record)
Aplidium asperum Drasche, 1883 (basis of record)
Aplidium bermudae (Van Name, 1902) (basis of record)
Aplidium brementi (Harant, 1925) (basis of record)
Aplidium caeruleum (Sluiter, 1906) (basis of record)
Aplidium conicum (Olivi, 1792) (basis of record)
Aplidium densum (Giard, 1872) (basis of record)
Aplidium elegans (Giard, 1872) (basis of record)
Aplidium enigmaticum Monniot C. & Monniot F., 1973 (basis of record)
Aplidium fuscum Herdman, 1886 accepted as Aplidium undulatum Monniot F. & Gaill, 1978 (basis of record)
Aplidium gibbulosum (Savigny, 1816) (basis of record)
Aplidium glabrum (Verrill, 1871) (basis of record)
Aplidium griseum Kott, 1992 (basis of record)
Aplidium haouarianum (Pérès, 1956) (basis of record)
Aplidium hyalinum (Pérès, 1956) (basis of record)
Aplidium inversum (Pérès, 1959) (basis of record)
Aplidium lobatum Savigny, 1816 (basis of record)
Aplidium mediterraneum (Hartmeyer, 1909) (basis of record)
Aplidium mutabile (Sars, 1851) (basis of record)
Aplidium nema Monniot F. & Monniot C., 1976 (basis of record)
Aplidium nordmanni (Milne Edwards, 1841) (basis of record)
Aplidium ocellatum Monniot C. & Monniot F., 1987 (basis of record)
Aplidium pallidum (Verrill, 1871) (basis of record)
Aplidium polytrema (Monniot C. & Monniot F., 1983) (basis of record)
Aplidium proliferum (Milne Edwards, 1841) (basis of record)
Aplidium pseudolobatum (Pérès, 1956) (basis of record)
Aplidium punctum (Giard, 1873) (basis of record)
Aplidium radicosum (Monniot C. & Monniot F., 1979) (basis of record)
Aplidium sagresensis Ramos-Espla, Turon & Vazquez, 1993 (basis of record)
Aplidium schaudinni Hartmeyer, 1903 (basis of record)
Aplidium spitzbergense Hartmeyer, 1903 (basis of record)
Aplidium tabarquensis Ramos-Espla, 1991 (basis of record)
Aplidium translucidum (Ritter, 1901) (basis of record)
Aplidium tridentatum (Daumézon, 1909) (basis of record)
Aplidium turbinatum (Savigny, 1816) (basis of record)
Aplidium urgorrii Vazquez, 1994 (basis of record)
Aplousobranchia (basis of record)
Araneum Monniot C. & Monniot F., 1973 (additional source)
Araneum sigma Monniot C. & Monniot F., 1973 (basis of record)
Archiascidia Julin, 1904 accepted as Pycnoclavella Garstang, 1891 (additional source)
Archiascidia neapolitana Julin, 1904 accepted as Pycnoclavella neapolitana (Julin, 1904) (basis of record)
Archidistoma Garstang, 1891 (basis of record)
Archidistoma aggregatum Garstang, 1891 (basis of record)
Archidistoma productum (Milne Edwards, 1841) accepted as Pycnoclavella producta (Milne Edwards, 1841) (basis of record)
Asajirus arcticus (Hartmeyer, 1923) (basis of record)
Asajirus eunuchus (Monniot F. & Monniot C., 1976) (basis of record)
Asajirus ledanoisi (Monniot C. & Monniot F., 1990) (basis of record)
Ascidia Linnaeus, 1767 (basis of record)
Ascidia callosa Stimpson, 1852 (basis of record)
Ascidia celtica Monniot C., 1969 (basis of record)
Ascidia conchilega Müller, 1776 (basis of record)
Ascidia correi Monniot C., 1970 (basis of record)
Ascidia dijmphniana (Traustedt, 1886) (basis of record)
Ascidia iberica Monniot C. & Monniot F., 1988 (basis of record)
Ascidia interrupta Heller, 1878 (basis of record)
Ascidia involuta Heller, 1875 (basis of record)
Ascidia malaca (Traustedt, 1883) (basis of record)
Ascidia mediterranea Pérès, 1959 (basis of record)
Ascidia mentula Müller, 1776 (basis of record)
Ascidia molguloides Monniot C., 1975 (basis of record)
Ascidia muricata Heller, 1874 (basis of record)
Ascidia obliqua Alder, 1863 (basis of record)
Ascidia prunum Müller, 1776 (basis of record)
Ascidia salvatoris (Traustedt, 1885) (basis of record)
Ascidia tritonis Herdman, 1883 (basis of record)
Ascidia virginea Müller, 1776 (basis of record)
Ascidiella Roule, 1884 (basis of record)
Ascidiella aspersa (Müller, 1776) (basis of record)
Ascidiella scabra (Müller, 1776) (basis of record)
Ascidiidae Herdman, 1882 (additional source)
Bathyoncus Herdman, 1882 (basis of record)
Bathyoncus mirabilis Herdman, 1882 (basis of record)
Bathypyura Monniot C. & Monniot F., 1973 (basis of record)
Bathypyura celata Monniot C. & Monniot F., 1973 (basis of record)
Bathystyeloides Seeliger, 1907 (basis of record)
Bathystyeloides dubius Monniot C. & Monniot F., 1984 (basis of record)
Bathystyeloides enderbyanus (Michaelsen, 1904) (basis of record)
Bathystyeloides laubieri Monniot C. & Monniot F., 1974 (basis of record)
Boltenia Savigny, 1816 (basis of record)
Boltenia echinata (Linnaeus, 1767) (basis of record)

European waters (ERMS scope) for Abyssascidia millari Monniot F., 1971 
European waters (ERMS scope) for Adagnesia charcoti Monniot C. & Monniot F., 1973 
European waters (ERMS scope) for Adagnesia rimosa Monniot C. & Monniot F., 1974 
European waters (ERMS scope) for Agnezia atlantica (Monniot C. & Monniot F., 1973) 
European waters (ERMS scope) for Agnezia celtica (Monniot C. & Monniot F., 1974) 
European waters (ERMS scope) for Alloeocarpa loculosa Monniot C., 1974 
European waters (ERMS scope) for Anomopera ingolfiana Hartmeyer, 1923 
European waters (ERMS scope) for Aplidiopsis atlanticus Monniot F., 1975 
European waters (ERMS scope) for Aplidiopsis vitreum (Lahille, 1887) 
European waters (ERMS scope) for Aplidium aegeaensis (Hartmeyer, 1904) 
European waters (ERMS scope) for Aplidium albicans (Milne Edwards, 1841) 
European waters (ERMS scope) for Aplidium appendiculatum (Michaelsen, 1923) 
European waters (ERMS scope) for Aplidium argus (Milne Edwards, 1841) 
European waters (ERMS scope) for Aplidium asperum Drasche, 1883 
European waters (ERMS scope) for Aplidium bermudae (Van Name, 1902) 
European waters (ERMS scope) for Aplidium brementi (Harant, 1925) 
European waters (ERMS scope) for Aplidium caeruleum (Sluiter, 1906) 
European waters (ERMS scope) for Aplidium conicum (Olivi, 1792) 
European waters (ERMS scope) for Aplidium densum (Giard, 1872) 
European waters (ERMS scope) for Aplidium elegans (Giard, 1872) 
European waters (ERMS scope) for Aplidium enigmaticum Monniot C. & Monniot F., 1973 
European waters (ERMS scope) for Aplidium fuscum Herdman, 1886 
European waters (ERMS scope) for Aplidium gibbulosum (Savigny, 1816) 
European waters (ERMS scope) for Aplidium glabrum (Verrill, 1871) 
European waters (ERMS scope) for Aplidium griseum Kott, 1992 
European waters (ERMS scope) for Aplidium haouarianum (Pérès, 1956) 
European waters (ERMS scope) for Aplidium hyalinum (Pérès, 1956) 
European waters (ERMS scope) for Aplidium inversum (Pérès, 1959) 
European waters (ERMS scope) for Aplidium lobatum Savigny, 1816 
European waters (ERMS scope) for Aplidium mediterraneum (Hartmeyer, 1909) 
European waters (ERMS scope) for Aplidium mutabile (Sars, 1851) 
European waters (ERMS scope) for Aplidium nema Monniot F. & Monniot C., 1976 
European waters (ERMS scope) for Aplidium nordmanni (Milne Edwards, 1841) 
European waters (ERMS scope) for Aplidium ocellatum Monniot C. & Monniot F., 1987 
European waters (ERMS scope) for Aplidium pallidum (Verrill, 1871) 
European waters (ERMS scope) for Aplidium polytrema (Monniot C. & Monniot F., 1983) 
European waters (ERMS scope) for Aplidium proliferum (Milne Edwards, 1841) 
European waters (ERMS scope) for Aplidium pseudolobatum (Pérès, 1956) 
European waters (ERMS scope) for Aplidium punctum (Giard, 1873) 
European waters (ERMS scope) for Aplidium radicosum (Monniot C. & Monniot F., 1979) 
European waters (ERMS scope) for Aplidium sagresensis Ramos-Espla, Turon & Vazquez, 1993 
European waters (ERMS scope) for Aplidium schaudinni Hartmeyer, 1903 
European waters (ERMS scope) for Aplidium spitzbergense Hartmeyer, 1903 
European waters (ERMS scope) for Aplidium tabarquensis Ramos-Espla, 1991 
European waters (ERMS scope) for Aplidium translucidum (Ritter, 1901) 
European waters (ERMS scope) for Aplidium tridentatum (Daumézon, 1909) 
European waters (ERMS scope) for Aplidium turbinatum (Savigny, 1816) 
European waters (ERMS scope) for Aplidium urgorrii Vazquez, 1994 
European waters (ERMS scope) for Araneum sigma Monniot C. & Monniot F., 1973 
European waters (ERMS scope) for Archiascidia neapolitana Julin, 1904 
European waters (ERMS scope) for Archidistoma aggregatum Garstang, 1891 
European waters (ERMS scope) for Archidistoma productum (Milne Edwards, 1841) 
European waters (ERMS scope) for Asajirus arcticus (Hartmeyer, 1923) 
European waters (ERMS scope) for Asajirus eunuchus (Monniot F. & Monniot C., 1976) 
European waters (ERMS scope) for Asajirus ledanoisi (Monniot C. & Monniot F., 1990) 
European waters (ERMS scope) for Ascidia callosa Stimpson, 1852 
European waters (ERMS scope) for Ascidia celtica Monniot C., 1969 
European waters (ERMS scope) for Ascidia conchilega Müller, 1776 
European waters (ERMS scope) for Ascidia correi Monniot C., 1970 
European waters (ERMS scope) for Ascidia dijmphniana (Traustedt, 1886) 
European waters (ERMS scope) for Ascidia iberica Monniot C. & Monniot F., 1988 
European waters (ERMS scope) for Ascidia interrupta Heller, 1878 
European waters (ERMS scope) for Ascidia involuta Heller, 1875 
European waters (ERMS scope) for Ascidia malaca (Traustedt, 1883) 
European waters (ERMS scope) for Ascidia mediterranea Pérès, 1959 
European waters (ERMS scope) for Ascidia mentula Müller, 1776 
European waters (ERMS scope) for Ascidia molguloides Monniot C., 1975 
European waters (ERMS scope) for Ascidia muricata Heller, 1874 
European waters (ERMS scope) for Ascidia obliqua Alder, 1863 
European waters (ERMS scope) for Ascidia prunum Müller, 1776 
European waters (ERMS scope) for Ascidia salvatoris (Traustedt, 1885) 
European waters (ERMS scope) for Ascidia tritonis Herdman, 1883 
European waters (ERMS scope) for Ascidia virginea Müller, 1776 
European waters (ERMS scope) for Ascidiella aspersa (Müller, 1776) 
European waters (ERMS scope) for Ascidiella scabra (Müller, 1776) 
European waters (ERMS scope) for Bathyoncus mirabilis Herdman, 1882 
European waters (ERMS scope) for Bathypyura celata Monniot C. & Monniot F., 1973 
European waters (ERMS scope) for Bathystyeloides dubius Monniot C. & Monniot F., 1984 
European waters (ERMS scope) for Bathystyeloides enderbyanus (Michaelsen, 1904) 
European waters (ERMS scope) for Bathystyeloides laubieri Monniot C. & Monniot F., 1974 
European waters (ERMS scope) for Boltenia echinata (Linnaeus, 1767) 
European waters (ERMS scope) for Boltenia ovifera (Linnaeus, 1767) 
European waters (ERMS scope) for Boltenia pilosa (Millar, 1955) 
European waters (ERMS scope) for Bolteniopsis prenanti Harant, 1927 
European waters (ERMS scope) for Bolteniopsis sessilis Monniot C. & Monniot F., 1970 
European waters (ERMS scope) for Botryllus aureus (Sars, 1851) 
European waters (ERMS scope) for Botryllus leachi Savigny, 1816 
European waters (ERMS scope) for Botryllus schlosseri (Pallas, 1766) 
European waters (ERMS scope) for Chelyosoma macleayanum Broderip & Sowerby, 1830 
European waters (ERMS scope) for Ciona edwardsi Roule, 1884 
European waters (ERMS scope) for Ciona fascicularis Hancock, 1870 
European waters (ERMS scope) for Ciona gelatinosa Bonnevie, 1896 
European waters (ERMS scope) for Ciona imperfecta Monniot C. & Monniot F., 1977 
European waters (ERMS scope) for Ciona intestinalis (Linnaeus, 1767) 
European waters (ERMS scope) for Clavelina borealis Savigny, 1816 
European waters (ERMS scope) for Clavelina dellavallei (Zirpolo, 1925) 
European waters (ERMS scope) for Clavelina lepadiformis (Müller, 1776) 
European waters (ERMS scope) for Clavelina nana Lahille, 1890 
European waters (ERMS scope) for Clavelina oblonga Herdman, 1880 
European waters (ERMS scope) for Clavelina phlegraea Salfi, 1929