Adeonella Busk, 1884 (basis of record)
Adeonellopsis MacGillivray, 1886 (basis of record)
Adeonidae Busk, 1884 (basis of record)
Aetea Lamouroux, 1812 (basis of record)
Aetea anguina (Linnaeus, 1758) (basis of record)
Aetea truncata (Landsborough, 1852) (basis of record)
Aeteidae Smitt, 1868 (basis of record)
Alcyonidiidae Johnston, 1837 (basis of record)
Alcyonidium Lamouroux, 1813 (basis of record)
Alcyonidium mytili Dalyell, 1848 accepted as Alcyonidioides mytili (Dalyell, 1848) (basis of record)
Amathia Lamouroux, 1812 (basis of record)
Amathia distans Busk, 1886 (basis of record)
Arctonula Gordon & Grischenko, 1994 (basis of record)
Arctonula arctica (M. Sars, 1851) (basis of record)
Arthropoma Levinsen, 1909 (basis of record)
Arthropoma cecilii (Audouin, 1826) (basis of record)
Aspidelectra Levinsen, 1909 (basis of record)
Bantariella Jebram, 1973 (basis of record)
Bantariella verticillata (Heller, 1867) (basis of record)
Beania Johnston, 1840 (basis of record)
Beania hirtissima (Heller, 1867) (basis of record)
Beania mirabilis Johnston, 1840 (basis of record)
Beaniidae Canu & Bassler, 1927 (basis of record)
Bicellariella Levinsen, 1909 (basis of record)
Bicrisia d'Orbigny, 1853 (basis of record)
Bitectiporidae MacGillivray, 1895 (basis of record)
Bowerbankia Farre, 1837 accepted as Amathia Lamouroux, 1812 (basis of record)
Bowerbankia gracilis Leidy, 1855 accepted as Amathia gracilis (Leidy, 1855) (basis of record)
Bowerbankia imbricata (Adams, 1798) accepted as Amathia imbricata (Adams, 1800) (basis of record)
Bryocryptellidae Vigneaux, 1949 (basis of record)
Bugula Oken, 1815 (basis of record)
Bugula flabellata (Thompson in Gray, 1848) accepted as Bugulina flabellata (Thompson in Gray, 1848) (basis of record)
Bugula neritina (Linnaeus, 1758) (basis of record)
Bugula stolonifera Ryland, 1960 accepted as Bugulina stolonifera (Ryland, 1960) (basis of record)
Bugulella Verrill, 1879 (basis of record)
Bugulidae Gray, 1848 (basis of record)
Buskia Alder, 1857 (basis of record)
Buskia nitens Alder, 1857 (basis of record)
Buskiidae Hincks, 1880 (basis of record)
Caberea Lamouroux, 1816 (basis of record)
Calescharidae Cook & Bock, 2001 (additional source)
Callopora Gray, 1848 (basis of record)
Callopora craticula (Alder, 1856) (basis of record)
Callopora lineata (Linnaeus, 1767) (basis of record)
Calloporidae Norman, 1903 (basis of record)
Calloporina Neviani, 1895 (basis of record)
Calyptotheca Harmer, 1957 (basis of record)
Candidae d'Orbigny, 1851 (basis of record)
Carbasea Gray, 1848 (basis of record)
Carbasea carbasea (Ellis & Solander, 1786) (basis of record)
Cauloramphus Norman, 1903 (basis of record)
Cauloramphus cymbaeformis (Hincks, 1877) (basis of record)
Cauloramphus spiniferum (Johnston, 1832) (basis of record)
Cellaria Ellis & Solander, 1786 (basis of record)
Cellariidae Fleming, 1828 (basis of record)
Celleporaria Lamouroux, 1821 (additional source)
Celleporella Gray, 1848 (basis of record)
Celleporella hyalina (Linnaeus, 1767) (basis of record)
Celleporidae Johnston, 1838 (basis of record)
Celleporina Gray, 1848 (basis of record)
Chaperiidae Jullien, 1888 (additional source)
Chaperiopsis Uttley, 1949 (basis of record)
Characodoma Maplestone, 1900 (basis of record)
Cheiloporina Canu & Bassler, 1923 (basis of record)
Cheiloporinidae Bassler, 1936 (additional source)
Cheilostomatida (basis of record)
Chorizopora Hincks, 1879 (basis of record)
Chorizopora brongniartii (Audouin, 1826) (basis of record)
Chorizoporidae Vigneaux, 1949 (basis of record)
Cigclisula Canu & Bassler, 1927 (basis of record)
Cleidochasmatidae Cheetham & Sandberg, 1964 (additional source)
Conopeum Gray, 1848 (basis of record)
Copidozoum Harmer, 1926 (basis of record)
Copidozoum tenuirostre (Hincks, 1880) (basis of record)
Cosciniopsis Canu & Bassler, 1927 (basis of record)
Crassimarginatella Canu, 1900 (basis of record)
Crassimarginatella crassimarginata (Hincks, 1880) (basis of record)
Crepis Jullien, 1882 (basis of record)
Crepis longipes Jullien, 1882 (basis of record)
Cribrilina Gray, 1848 (basis of record)
Cribrilina annulata (O. Fabricius, 1780) accepted as Juxtacribrilina annulata (Fabricius, 1780) (basis of record)
Cribrilinidae Hincks, 1879 (basis of record)
Crisia Lamouroux, 1812 (basis of record)
Crisia cuneata Maplestone, 1905 (basis of record)
Crisia elongata Milne Edwards, 1838 (basis of record)
Crisidia Milne Edwards, 1838 (basis of record)
Crisidia cornuta (Linnaeus, 1758) (basis of record)
Crisiidae Johnston, 1838 (basis of record)
Cryptosula Canu & Bassler, 1925 (basis of record)
Cryptosula pallasiana (Moll, 1803) (basis of record)
Cryptosulidae Vigneaux, 1949 (basis of record)
Ctenostomatida (basis of record)
Cupuladria Canu & Bassler, 1919 (basis of record)
Cupuladriidae Lagaaij, 1952 (additional source)
Cyclostomatida (basis of record)
Dendrobeania Levinsen, 1909 (basis of record)
Electra Lamouroux, 1816 (basis of record)
Electridae Stach, 1937 (1851) (basis of record)
Ellisina Norman, 1903 (basis of record)
Epistomiidae Gregory, 1893 (basis of record)