Abyssocapitella Buzhinskaja & Smirnov, 2000 (current name source)
Abyssocapitella Buzhinskaja & Smirnov, 2000 (basis of record)
Aciculomarphysa Hartmann-Schröder in Hartmann-Schröder & Zibrowius, 1998 (basis of record)
Aciculomarphysa Hartmann-Schröder in Hartmann-Schröder & Zibrowius, 1998 (current name source)
Aglaurides Ehlers, 1866 accepted as accepted as Oenone Lamarck, 1818 (source of synonymy)
Amathys Desbruyères & Laubier, 1996 accepted as Amphisamytha Hessle, 1917 (basis of record)
Amathys Desbruyères & Laubier, 1996 accepted as Amphisamytha Hessle, 1917 (source of synonymy)
Amocrodorum Kudenov, 1987 (habitat flag source)
Amocrodorum Kudenov, 1987 (extant flag source)
Amphipolydora Blake, 1983 (basis of record)
Amphipolydora Blake, 1983 (habitat flag source)
Amphipolydora Blake, 1983 (extant flag source)
Amphipolydora Blake, 1983 (current name source)
Anamobaea Krøyer, 1856 (current name source)
Anamobaea Krøyer, 1856 (habitat flag source)
Anamobaea Krøyer, 1856 (basis of record)
Anamobaea Krøyer, 1856 (extant flag source)
Andamanella Holthe, 2002 (basis of record)
Andamanella Holthe, 2002 (current name source)
Anguillosyllis Day, 1963 (basis of record)
Anguillosyllis Day, 1963 (current name source)
Anguillosyllis Day, 1963 (extant flag source)
Anguillosyllis Day, 1963 (habitat flag source)
Antipathipolyeunoa Pettibone, 1991 accepted as Parahololepidella Pettibone, 1969 (habitat flag source)
Antipathipolyeunoa Pettibone, 1991 accepted as Parahololepidella Pettibone, 1969 (extant flag source)
Apomatolos Uchida, 1978 accepted as Rhodopsis Bush, 1905 (basis of record)
Apomatolos Uchida, 1978 accepted as Rhodopsis Bush, 1905 (extant flag source)
Apomatolos Uchida, 1978 accepted as Rhodopsis Bush, 1905 (habitat flag source)
Aranooba Hutchings & Glasby, 1988 (habitat flag source)
Aranooba Hutchings & Glasby, 1988 (extant flag source)
Aristonerilla Müller, 2002 (basis of record)
Aristonerilla Müller, 2002 (current name source)
Asterophilia Hanley, 1989 (extant flag source)
Asterophilia Hanley, 1989 (basis of record)
Asterophilia Hanley, 1989 (current name source)
Asterophilia Hanley, 1989 (habitat flag source)
Atelesyllis Pruvot, 1930 accepted as Odontosyllis Claparède, 1863 (extant flag source)
Atelesyllis Pruvot, 1930 accepted as Odontosyllis Claparède, 1863 (habitat flag source)
Atelesyllis Pruvot, 1930 accepted as Odontosyllis Claparède, 1863 (source of synonymy)
Atelesyllis Pruvot, 1930 accepted as Odontosyllis Claparède, 1863 (basis of record)
Autosyllis Imajima & Hartman, 1964 accepted as Virchowia Langerhans, 1879 (basis of record)
Autosyllis Imajima & Hartman, 1964 accepted as Virchowia Langerhans, 1879 (extant flag source)
Autosyllis Imajima & Hartman, 1964 accepted as Virchowia Langerhans, 1879 (habitat flag source)
Bathya Saint-Joseph, 1894 (basis of record)
Bathya Saint-Joseph, 1894 (extant flag source)
Bathya Saint-Joseph, 1894 (habitat flag source)
Bathya Saint-Joseph, 1894 (current name source)
Bathyasychis Detinova, 1982 (current name source)
Bathyasychis Detinova, 1982 (basis of record)
Bathybahamas Pettibone, 1985 (basis of record)
Bathybahamas Pettibone, 1985 (habitat flag source)
Bathybahamas Pettibone, 1985 (extant flag source)
Bathybahamas Pettibone, 1985 (current name source)
Bathycanadia Levenstein, 1981 (current name source)
Bathycanadia Levenstein, 1981 (basis of record)
Bathycanadia Levenstein, 1981 (extant flag source)
Bathycanadia Levenstein, 1981 (habitat flag source)
Bathycatalina Pettibone, 1976 (habitat flag source)
Bathycatalina Pettibone, 1976 (extant flag source)
Bathycatalina Pettibone, 1976 (basis of record)
Bathycatalina Pettibone, 1976 (current name source)
Bathyedithia Pettibone, 1976 (extant flag source)
Bathyedithia Pettibone, 1976 (basis of record)
Bathyedithia Pettibone, 1976 (current name source)
Bathyedithia Pettibone, 1976 (habitat flag source)
Bathyhololepidella Buzhinskaya, 1992 (habitat flag source)
Bathyhololepidella Buzhinskaya, 1992 (extant flag source)
Bathyhololepidella Buzhinskaya, 1992 (basis of record)
Bathyhololepidella Buzhinskaya, 1992 (current name source)
Bathykermadeca Pettibone, 1976 (current name source)
Bathykermadeca Pettibone, 1976 (extant flag source)
Bathykermadeca Pettibone, 1976 (habitat flag source)
Bathykermadeca Pettibone, 1976 (basis of record)
Bathylevensteinia Pettibone, 1976 accepted as Bathylevensteina Pettibone, 1976 (habitat flag source)
Bathylevensteinia Pettibone, 1976 accepted as Bathylevensteina Pettibone, 1976 (extant flag source)
Bathymacella Pettibone, 1976 (extant flag source)
Bathymacella Pettibone, 1976 (habitat flag source)
Bathymacella Pettibone, 1976 (current name source)
Bathymacella Pettibone, 1976 (basis of record)
Bathymariana Levenstein, 1978 (current name source)
Bathymariana Levenstein, 1978 (extant flag source)
Bathymariana Levenstein, 1978 (basis of record)
Bathymariana Levenstein, 1978 (habitat flag source)
Bathymiranda Levenstein, 1981 (habitat flag source)
Bathymiranda Levenstein, 1981 (extant flag source)
Bathymiranda Levenstein, 1981 (current name source)
Bathymiranda Levenstein, 1981 (basis of record)
Bathynoe Ditlevsen, 1917 (habitat flag source)
Bathynoe Ditlevsen, 1917 (extant flag source)
Bathypolaria Levenstein, 1981 (extant flag source)
Bathypolaria Levenstein, 1981 (habitat flag source)
Bathypolaria Levenstein, 1981 (basis of record)
Bathypolaria Levenstein, 1981 (current name source)
Bathysabellaria Lechapt & Gruet, 1993 (habitat flag source)
Bathysabellaria Lechapt & Gruet, 1993 (extant flag source)
Bathyvitiazia Pettibone, 1976 (basis of record)
Bathyvitiazia Pettibone, 1976 (habitat flag source)
Bathyvitiazia Pettibone, 1976 (extant flag source)
Bathyvitiazia Pettibone, 1976 (current name source)
Bayerpolynoe Pettibone, 1991 (current name source)