Abyssascidia Herdman, 1880 (extant flag source)
Abyssascidia Herdman, 1880 (basis of record)
Adagnesia Kott, 1963 (basis of record)
Adagnesia Kott, 1963 (extant flag source)
Ascidia Linnaeus, 1767 (extant flag source)
Ascidia Linnaeus, 1767 (basis of record)
Ascidiella Roule, 1884 (basis of record)
Ascidiella Roule, 1884 (extant flag source)
Bathocordaeus (extant flag source)
Bathocordaeus (basis of record)
Bathyascidia Hartmeyer, 1901 accepted as Ascidia Linnaeus, 1767 (extant flag source)
Bathyascidia Hartmeyer, 1901 accepted as Ascidia Linnaeus, 1767 (basis of record)
Boltenia Savigny, 1816 (basis of record)
Boltenia Savigny, 1816 (extant flag source)
Botrylloides Milne Edwards, 1841 (extant flag source)
Botrylloides Milne Edwards, 1841 (basis of record)
Botryllus Gaertner, 1774 (basis of record)
Botryllus Gaertner, 1774 (extant flag source)
Caenagnesia Ärnbäck-Christie-Linde, 1938 (basis of record)
Caenagnesia Ärnbäck-Christie-Linde, 1938 (extant flag source)
Chelyosoma Broderip & Sowerby, 1830 (basis of record)
Chelyosoma Broderip & Sowerby, 1830 (extant flag source)
Ciona Fleming, 1822 (extant flag source)
Ciona Fleming, 1822 (basis of record)
Clavelina Savigny, 1816 (basis of record)
Clavelina Savigny, 1816 (extant flag source)
Corella Alder & Hancock, 1870 (basis of record)
Corella Alder & Hancock, 1870 (extant flag source)
Culeolus Herdman, 1881 (extant flag source)
Culeolus Herdman, 1881 (basis of record)
Dendrodoa MacLeay, 1824 (extant flag source)
Dendrodoa MacLeay, 1824 (basis of record)
Diazona Savigny, 1816 (extant flag source)
Diazona Savigny, 1816 (basis of record)
Distaplia Della Valle, 1881 (basis of record)
Distaplia Della Valle, 1881 (extant flag source)
Doliopsis Vogt, 1854 (extant flag source)
Doliopsis Vogt, 1854 (basis of record)
Echinoclinum Van Name, 1902 accepted as Lissoclinum Verrill, 1871 (extant flag source)
Echinoclinum Van Name, 1902 accepted as Lissoclinum Verrill, 1871 (basis of record)
Ecteinascidia Herdman, 1880 (extant flag source)
Ecteinascidia Herdman, 1880 (basis of record)
Eudistoma Caullery, 1909 (extant flag source)
Eudistoma Caullery, 1909 (basis of record)
Fritillaria Fol, 1872 (basis of record)
Fritillaria Fol, 1872 (extant flag source)
Gasterascidia C. Monniot & F. Monniot, 1968 accepted as Oligotrema Bourne, 1903 (extant flag source)
Gasterascidia C. Monniot & F. Monniot, 1968 accepted as Oligotrema Bourne, 1903 (basis of record)
Halocynthia Verrill, 1879 (extant flag source)
Halocynthia Verrill, 1879 (basis of record)
Herdmania Lahille, 1888 (extant flag source)
Herdmania Lahille, 1888 (basis of record)
Hexacrobylus Sluiter, 1905 accepted as Oligotrema Bourne, 1903 (basis of record)
Hexacrobylus Sluiter, 1905 accepted as Oligotrema Bourne, 1903 (extant flag source)
Kowalevskia Fol, 1872 (extant flag source)
Kowalevskia Fol, 1872 (basis of record)
Leptoclinides Bjerkan, 1905 (basis of record)
Leptoclinides Bjerkan, 1905 (extant flag source)
Microcosmus Heller, 1877 (extant flag source)
Microcosmus Heller, 1877 (basis of record)
Molgula Forbes in Forbes & Hanley, 1848 (basis of record)
Molgula Forbes in Forbes & Hanley, 1848 (extant flag source)
Namiella C. Monniot & F. Monniot, 1968 (basis of record)
Namiella C. Monniot & F. Monniot, 1968 (extant flag source)
Octacnemus Moseley, 1877 (extant flag source)
Octacnemus Moseley, 1877 (basis of record)
Oikopleura Mertens, 1830 (extant flag source)
Oikopleura Mertens, 1830 (basis of record)
Perophora Wiegmann, 1835 (extant flag source)
Perophora Wiegmann, 1835 (basis of record)
Phallusia Savigny, 1816 (extant flag source)
Phallusia Savigny, 1816 (basis of record)
Polyandrocarpa Michaelsen, 1904 (basis of record)
Polyandrocarpa Michaelsen, 1904 (extant flag source)
Polycarpa Heller, 1877 (extant flag source)
Polycarpa Heller, 1877 (basis of record)
Polyoctacnemus Ihle, 1935 (basis of record)
Polyoctacnemus Ihle, 1935 (extant flag source)
Psammascidia F. Monniot, 1962 (basis of record)
Psammascidia F. Monniot, 1962 (extant flag source)
Pyura Molina, 1782 (basis of record)
Pyura Molina, 1782 (extant flag source)
Rhodosoma Ehrenberg, 1828 (basis of record)
Rhodosoma Ehrenberg, 1828 (extant flag source)
Rhopalaea Philippi, 1843 (extant flag source)
Rhopalaea Philippi, 1843 (basis of record)
Sorbera C. Monniot & F. Monniot, 1974 accepted as Oligotrema Bourne, 1903 (basis of record)
Sorbera C. Monniot & F. Monniot, 1974 accepted as Oligotrema Bourne, 1903 (extant flag source)
Symplegma Herdman, 1886 (basis of record)
Symplegma Herdman, 1886 (extant flag source)
Tectillaria Lohmann in Lohmann & Buckmann, 1926 (basis of record)
Tectillaria Lohmann in Lohmann & Buckmann, 1926 (extant flag source)
Tylobranchion Herdman, 1886 (basis of record)
Tylobranchion Herdman, 1886 (extant flag source)