Acanthodesiomorpha problematica d'Hondt, 1981 (basis of record)
Acanthophragma Hayward, 1993 (additional source)
Adeonellopsis MacGillivray, 1886 (additional source)
Adeonellopsis pentapora Canu & Bassler, 1929 (basis of record)
Aetea truncata (Landsborough, 1852) (additional source)
Aeverrillia armata (Verrill, 1873) (additional source)
Aimulosia Jullien, 1888 (additional source)
Aimulosia costata (Powell, 1967) (basis of record)
Aimulosia marsupium (MacGillivray, 1869) (basis of record)
Akatopora circumsaepta (Uttley, 1951) (basis of record)
Alcyonidium Lamouroux, 1813 (additional source)
Alcyonidium gelatinosum (Linnaeus, 1761) (additional source)
Alcyonidium kermadecense Gordon, 1984 (basis of record)
Alcyonidium multigemmatum Gordon, 1986 (basis of record)
Alcyonidium mytili Dalyell, 1848 accepted as Alcyonidioides mytili (Dalyell, 1848) (additional source)
Alderina tuberosa (Canu & Bassler, 1929) (basis of record)
Allerescha dubia Gordon, 1989 (basis of record)
Amastigia Busk, 1852 (additional source)
Amastigia antarctica subtropicalis Gordon, 1984 (basis of record)
Amastigia fiordica Gordon, 1986 (basis of record)
Amastigia funiculata (MacGillivray, 1886) (basis of record)
Amastigia harmeri Hastings, 1943 (basis of record)
Amastigia magna Gordon, 1986 (basis of record)
Amastigia nuda Busk, 1852 (basis of record)
Amastigia puysegurensis Gordon, 1986 (basis of record)
Amathia acervata Lamouroux, 1824 (basis of record)
Amathia biseriata Krauss, 1837 (basis of record)
Amathia distans Busk, 1886 (additional source)
Amathia lamourouxi Chimonides, 1987 (basis of record)
Amathia wilsoni Kirkpatrick, 1888 (basis of record)
Amphiblestrum Gray, 1848 (additional source)
Amphiblestrum alcimum Gordon, 1984 (basis of record)
Amphiblestrum blandum Gordon, 1986 (basis of record)
Amphiblestrum contentum Gordon, 1986 (basis of record)
Amphiblestrum siciliculum Hayward & Thorpe, 1989 (basis of record)
Anguinella palmata Van Beneden, 1845 (additional source)
Annectocyma Hayward & Ryland, 1985 (additional source)
Aplousina anxiosa Gordon, 1986 (basis of record)
Arachnoidella echinophilia Gordon, 1986 (basis of record)
Arachnopusia Jullien, 1888 (additional source)
Arachnopusia perforata (Maplestone, 1909) (basis of record)
Arachnopusia quadralabia Uttley & Bullivant, 1972 (basis of record)
Arachnopusia unicornis (Hutton, 1873) (additional source)
Arthropoma cecilii (Audouin, 1826) (additional source)
Attinopora zealandica (Mantell, 1850) (basis of record)
Bantariella cookae (Banta, 1968) (basis of record)
Batopora Reuss, 1867 (additional source)
Beania Johnston, 1840 (additional source)
Beania bilaminata (Hincks, 1881) (basis of record)
Beania cribrimorpha Gordon, 1984 (basis of record)
Beania decumbens MacGillivray, 1882 (basis of record)
Beania discodermiae (Ortmann, 1890) (additional source)
Beania elongata (Hincks, 1885) (basis of record)
Beania gigantavicularis Gordon, 1984 (basis of record)
Beania hirtissima (Heller, 1867) (additional source)
Beania inermis cryptophragma Gordon, 1986 (basis of record)
Beania intermedia (Hincks, 1881) (basis of record)
Beania magellanica (Busk, 1852) (additional source)
Beania plurispinosa Uttley & Bullivant, 1972 (basis of record)
Beania proboscidea Gordon, 1986 (basis of record)
Beania pulchella Livingstone, 1929 (basis of record)
Beania quadricornuta (Hincks, 1885) (basis of record)
Beania stonycha Gordon, 1986 (basis of record)
Beania trampida Gordon, 1986 (basis of record)
Beania wilsoni MacGillivray, 1885 (basis of record)
Bicellariella ciliata (Linnaeus, 1758) (additional source)
Bicrisia d'Orbigny, 1853 (additional source)
Bicrisia biciliata (MacGillivray, 1869) (additional source)
Bicrisia edwardsiana (d'Orbigny, 1841) (basis of record)
Biflustra grandicella (Canu & Bassler, 1929) (additional source)
Bitectipora cincta (Hincks, 1885) (basis of record)
Bitectipora mucronifera (Powell, 1967) (basis of record)
Bitectipora ozalea (Gordon, 1989) (basis of record)
Bitectipora retepora (Gordon, 1989) (basis of record)
Bitectipora rostrata (MacGillivray, 1887) (basis of record)
Bowerbankia gracilis Leidy, 1855 accepted as Amathia gracilis (Leidy, 1855) (additional source)
Bowerbankia imbricata (Adams, 1798) accepted as Amathia imbricata (Adams, 1800) (additional source)
Brendella pulchra Gordon, 1989 (basis of record)
Brettiella ovicellata Gordon, 1984 (basis of record)
Briarachnia robusta Gordon, 1984 (basis of record)
Bryocalyx cinnameus Cook & Bock, 2000 (basis of record)
Bryopastor challengeri Gordon, 1982 (basis of record)
Bryopastor pentagonus (Canu & Bassler, 1929) (basis of record)
Bryopesanser pesanseris (Smitt, 1873) (basis of record)
Buffonellaria biavicularis (Powell, 1967) (basis of record)
Buffonellaria christinelloides Gordon, 1984 (basis of record)
Buffonellaria depressa (Philipps, 1900) (basis of record)
Buffonellaria regenerata (Powell, 1967) (basis of record)
Buffonellaria turbula Gordon, 1989 (basis of record)
Bugula Oken, 1815 (additional source)
Bugula decipiens Hayward, 1981 (additional source)
Bugula flabellata (Thompson in Gray, 1848) accepted as Bugulina flabellata (Thompson in Gray, 1848) (additional source)
Bugula neritina (Linnaeus, 1758) (additional source)
Bugula prismatica (Gray, 1843) (basis of record)
Bugula simplex Hincks, 1886 accepted as Bugulina simplex (Hincks, 1886) (additional source)
Bugula stolonifera Ryland, 1960 accepted as Bugulina stolonifera (Ryland, 1960) (additional source)
Bugulella gracilis (Nichols, 1911) (additional source)
Bugulopsis monotrypa (Busk, 1852) (basis of record)
Buskia nitens Alder, 1857 (additional source)
Buskia socialis Hincks, 1887 (additional source)