Acanthopale San Martín, 1986 (extant flag source)
Acanthopale San Martín, 1986 (basis of record)
Alaysia Southward, 1991 (basis of record)
Alaysia Southward, 1991 (extant flag source)
Americonuphis Fauchald, 1973 (basis of record)
Americonuphis Fauchald, 1973 (extant flag source)
Amphiduros Hartman, 1959 (basis of record)
Amphiduros Hartman, 1959 (extant flag source)
Anchidorvillea Hilbig & Blake, 1991 (extant flag source)
Anchidorvillea Hilbig & Blake, 1991 (basis of record)
Anchinothria Paxton, 1986 (extant flag source)
Anchinothria Paxton, 1986 (basis of record)
Apharyngtus Westheide, 1971 (extant flag source)
Apharyngtus Westheide, 1971 (basis of record)
Apodotrocha Westheide & Riser, 1983 (basis of record)
Apodotrocha Westheide & Riser, 1983 (extant flag source)
Aponuphis Kucheruk, 1978 (basis of record)
Aponuphis Kucheruk, 1978 (extant flag source)
Arcovestia Southward & Galkin, 1997 (basis of record)
Arcovestia Southward & Galkin, 1997 (extant flag source)
Australonuphis Paxton, 1979 (basis of record)
Australonuphis Paxton, 1979 (extant flag source)
Austrophyllum Bergström, 1914 (extant flag source)
Austrophyllum Bergström, 1914 (basis of record)
Birsteinia Ivanov, 1952 (extant flag source)
Birsteinia Ivanov, 1952 (basis of record)
Birstenia accepted as Birsteinia Ivanov, 1952 (basis of record)
Birstenia accepted as Birsteinia Ivanov, 1952 (extant flag source)
Bonuania Pillai, 1965 (extant flag source)
Bonuania Pillai, 1965 (basis of record)
Bookhautia accepted as Goniadiopsis (extant flag source)
Bookhautia accepted as Goniadiopsis (basis of record)
Brevibrachium Paxton, 1986 (basis of record)
Brevibrachium Paxton, 1986 (extant flag source)
Califia Hartman, 1957 (extant flag source)
Califia Hartman, 1957 (basis of record)
Choanophorus Bubko, 1965 (extant flag source)
Choanophorus Bubko, 1965 (basis of record)
Clavadoce Hartman, 1936 (extant flag source)
Clavadoce Hartman, 1936 (basis of record)
Coralliotrocha Westheide & von Nordheim, 1985 (extant flag source)
Coralliotrocha Westheide & von Nordheim, 1985 (basis of record)
Crassibrachia Southward, 1978 (basis of record)
Crassibrachia Southward, 1978 (extant flag source)
Cyclobrachia Ivanov, 1960 (basis of record)
Cyclobrachia Ivanov, 1960 (extant flag source)
Diaphorosoma Wolf, 1986 (basis of record)
Diaphorosoma Wolf, 1986 (extant flag source)
Dinophilus Schmidt, 1848 (extant flag source)
Dinophilus Schmidt, 1848 (basis of record)
Diplobrachia Ivanov, 1960 (extant flag source)
Diplobrachia Ivanov, 1960 (basis of record)
Eliberidens Wolf, 1986 (basis of record)
Eliberidens Wolf, 1986 (extant flag source)
Epidiopatra Augener, 1918 accepted as Diopatra Audouin & Milne-Edwards, 1833 (extant flag source)
Epidiopatra Augener, 1918 accepted as Diopatra Audouin & Milne-Edwards, 1833 (basis of record)
Escarpia Jones, 1985 (extant flag source)
Escarpia Jones, 1985 (basis of record)
Exallopus Jumars, 1974 (basis of record)
Exallopus Jumars, 1974 (extant flag source)
Falklandiella Hartman, 1967 accepted as Orbiniella Day, 1954 (extant flag source)
Falklandiella Hartman, 1967 accepted as Orbiniella Day, 1954 (basis of record)
Galathealinum Kirkegaard, 1956 (extant flag source)
Galathealinum Kirkegaard, 1956 (basis of record)
Glyphohesione Friedrich, 1950 (basis of record)
Glyphohesione Friedrich, 1950 (extant flag source)
Goniadiopsis (basis of record)
Goniadiopsis (extant flag source)
Grubeosyllis Verrill, 1900 accepted as Salvatoria McIntosh, 1885 (extant flag source)
Grubeosyllis Verrill, 1900 accepted as Salvatoria McIntosh, 1885 (basis of record)
Gymnodorvillea Wainwright & Perkins, 1982 (extant flag source)
Gymnodorvillea Wainwright & Perkins, 1982 (basis of record)
Gyptis Marion & Bobretzky in Marion, 1874 (extant flag source)
Gyptis Marion & Bobretzky in Marion, 1874 (basis of record)
Hartmanonuphis Paxton, 1986 (basis of record)
Hartmanonuphis Paxton, 1986 (extant flag source)
Heptabrachia Ivanov, 1952 (extant flag source)
Heptabrachia Ivanov, 1952 (basis of record)
Heptaceras Ehlers, 1868 (extant flag source)
Heptaceras Ehlers, 1868 (basis of record)
Hesiodeira Blake & Hilbig, 1990 (extant flag source)
Hesiodeira Blake & Hilbig, 1990 (basis of record)
Hesiolyra Blake, 1985 (extant flag source)
Hesiolyra Blake, 1985 (basis of record)
Hesione Savigny in Lamarck, 1818 (basis of record)
Hesione Savigny in Lamarck, 1818 (extant flag source)
Hesiospina Imajima & Hartman, 1964 (extant flag source)
Hesiospina Imajima & Hartman, 1964 (basis of record)
Heteropodarke Hartmann-Schröder, 1962 (extant flag source)
Heteropodarke Hartmann-Schröder, 1962 (basis of record)
Hirsutonuphis Paxton, 1986 (basis of record)
Hirsutonuphis Paxton, 1986 (extant flag source)
Hyalopale Perkins, 1985 (extant flag source)
Hyalopale Perkins, 1985 (basis of record)
Hyalospinifera Kucheruk, 1979 (basis of record)
Hyalospinifera Kucheruk, 1979 (extant flag source)
Ikosipodus Westheide, 1982 (extant flag source)
Ikosipodus Westheide, 1982 (basis of record)
Iphitime Marenzeller, 1902 (basis of record)
Iphitime Marenzeller, 1902 (extant flag source)