Achelia Hodge, 1864 (additional source)
Altenaeum Spaink, 1972 (additional source)
Amage Malmgren, 1866 (additional source)
Amphicteis Grube, 1850 (additional source)
Amphioxus Yarrell, 1836 accepted as Branchiostoma Costa, 1834 (additional source)
Amythasides Eliason, 1955 (additional source)
Anobothrus Levinsen, 1884 (additional source)
Astrorhiza Sandahl, 1858 (additional source)
Atherospio Mackie & Duff, 1986 (additional source)
Aurospio Maciolek, 1981 (additional source)
Boccardiella Blake & Kudenov, 1978 (additional source)
Bylgides Chamberlin, 1919 (additional source)
Caeconyx Barnard & Karaman, 1991 (additional source)
Callipallene Flynn, 1929 (additional source)
Capitomastus Eisig, 1887 accepted as Capitella Blainville, 1828 (additional source)
Ceratocephale Malmgren, 1867 (additional source)
Chaetoparia Malmgren, 1867 (additional source)
Chirimia Light, 1991 (additional source)
Chirona Gray, 1835 (additional source)
Ciona Fleming, 1822 (additional source)
Cypridina Milne Edwards, 1840 (additional source)
Dexamine Leach, 1814 (additional source)
Dyopedos Spence Bate, 1857 (additional source)
Eclysippe Eliason, 1955 (additional source)
Epizoanthus Gray, 1867 (additional source)
Eunoe Malmgren, 1865 (additional source)
Gammarella Spence Bate, 1857 (additional source)
Gitanopsis G.O. Sars, 1892 (additional source)
Glossobalanus Spengel, 1901 (additional source)
Glyphohesione Friedrich, 1950 (additional source)
Gnathia Leach, 1814 (additional source)
Golfingia Lankester, 1885 (additional source)
Gonothyraea Allman, 1864 (additional source)
Herentia Gray, 1848 (basis of record)
Hippomedon Boeck, 1871 (additional source)
Isocirrus Arwidsson, 1906 (additional source)
Lagotia Wright, 1857 (additional source)
Leonnates Kinberg, 1865 (additional source)
Lepidepecreum Spence Bate & Westwood, 1868 (additional source)
Lepidonotus Leach, 1816 (additional source)
Lumbrineriopsis Orensanz, 1973 (additional source)
Lysidice Lamarck, 1818 (additional source)
Macropodia Leach, 1814 (additional source)
Maldane Grube, 1860 (additional source)
Malmgreniella Hartman, 1967 (additional source)
Melinnopsis McIntosh, 1885 (additional source)
Melita Leach, 1814 (additional source)
Metaphoxus Bonnier, 1896 (additional source)
Mugga Eliason, 1955 accepted as Sosane Malmgren, 1866 (additional source)
Mystides Théel, 1879 (additional source)
Notophyllum Örsted, 1843 (additional source)
Notoproctus Arwidsson, 1906 (additional source)
Nyctiphanes G.O. Sars, 1883 (additional source)
Onchnesoma Koren & Danielssen, 1875 (additional source)
Orchomenella Sars, 1890 (additional source)
Palposyllis Hartmann-Schröder, 1977 (additional source)
Paraehlersia San Martín, 2003 (additional source)
Paranaitis Southern, 1914 (additional source)
Paraphoxus Sars, 1891 (additional source)
Pardalisca Krøyer, 1842 (additional source)
Pariambus Stebbing, 1888 (additional source)
Paroediceros G.O. Sars, 1892 (additional source)
Pelogenia Schmarda, 1861 (additional source)
Pelonaia Forbes & Goodsir, 1841 (additional source)
Peltocoxa Catta, 1875 (additional source)
Peringia Paladilhe, 1874 (additional source)
Pestarella Ngoc-Ho, 2003 accepted as Gilvossius Manning & Felder, 1992 (additional source)
Phaeostachys Hayward, 1979 (additional source)
Phascolosoma Leuckart, 1828 (additional source)
Phoxocephalus Stebbing, 1888 (additional source)
Phtisica Slabber, 1769 (additional source)
Phylo Kinberg, 1866 (additional source)
Pleioplana Faubel, 1983 (additional source)
Polynoe Lamarck, 1818 (additional source)
Praxillura Verrill, 1879 (additional source)
Priapulus Lamarck, 1816 (additional source)
Prosphaerosyllis San Martín, 1984 (additional source)
Protomedeia Krøyer, 1842 (additional source)
Pseudomystides Bergström, 1914 (additional source)
Pseudoprotella Mayer, 1890 (additional source)
Pterolysippe Augener, 1918 accepted as Lysippe Malmgren, 1866 (additional source)
Puellina (Cribrilaria) Canu & Bassler, 1929 accepted as Cribrilaria Canu & Bassler, 1929 (additional source)
Pycnogonum Brünnich, 1764 (additional source)
Pygospiopsis Blake, 1983 (additional source)
Pyura Molina, 1782 (additional source)
Rhizocaulus Stechow, 1919 (additional source)
Sabellides Milne Edwards in Lamarck, 1838 accepted as Ampharete Malmgren, 1866 (additional source)
Siboglinum Caullery, 1914 (additional source)
Unciola Say, 1818 (additional source)
Urticina Ehrenberg, 1834 (additional source)
Websterinereis Pettibone, 1971 (additional source)