Acontiaria Stephenson, 1935 (additional source)
Actinauge Verrill, 1883 (additional source)
Actinauge abyssorum Carlgren, 1934 (additional source)
Actinauge bocki Carlgren, 1943 (additional source)
Actinauge granulata Carlgren, 1928 (additional source)
Actinauge longicornis (Verrill, 1882) (additional source)
Actinauge richardi (Marion, 1906) (additional source)
Actinauge verrillii McMurrich, 1893 (additional source)
Actinernidae Stephenson, 1922 (additional source)
Actinernus Verrill, 1879 (additional source)
Actinernus antarcticus (Carlgren, 1914) (additional source)
Actinernus elongatus (Hertwig, 1882) (additional source)
Actinernus michaelsarsi Carlgren, 1918 (additional source)
Actinernus nobilis Verrill, 1879 (additional source)
Actinernus robustus (Hertwig, 1882) (additional source)
Actinia cari Delle Chiaje, 1822 (additional source)
Actiniaria (additional source)
Actiniidae Rafinesque, 1815 (additional source)
Actinoscyphia Stephenson, 1920 (additional source)
Actinoscyphia aurelia (Stephenson, 1918) (additional source)
Actinoscyphia plebeia (McMurrich, 1893) (additional source)
Actinoscyphia saginata (Verrill, 1882) (additional source)
Actinoscyphia verrilli (Gravier, 1918) (additional source)
Actinostola Verrill, 1883 (additional source)
Actinostola abyssorum (Danielssen, 1890) (additional source)
Actinostola callosa (Verrill, 1882) (additional source)
Actinostola crassicornis (Hertwig, 1882) (additional source)
Actinostola excelsa McMurrich, 1823 accepted as
Actinostola crassicornis (Hertwig, 1882) (additional source)
Actinostola georgiana Carlgren, 1927 (additional source)
Actinostola intermedia Carlgren, 1899 accepted as
Actinostola crassicornis (Hertwig, 1882) (additional source)
Actinostola spetsbergensis Carlgren, 1893 accepted as
Glandulactis spetsbergensis (Carlgren, 1893) (additional source)
Actinostolidae Carlgren, 1932 (additional source)
Actinothoe Fischer, 1889 (additional source)
Adamsia palliata (Fabricius, 1779) accepted as
Calliactis palliata (Müller, 1776) (additional source)
Adamsia sociabilis Verrill, 1882 accepted as
Calliactis sociabilis (Verrill, 1882) (additional source)
Allantactis Danielssen, 1890 (additional source)
Allantactis parasitica Danielssen, 1890 (additional source)
Amphianthus bathybium Hertwig, 1882 (additional source)
Amphianthus ingolfi Carlgren, 1942 (additional source)
Amphianthus inornata (Gravier, 1918) accepted as
Stephanauge inornata (Gravier, 1918) (additional source)
Amphianthus lacteus (Mc Murrich, 1893) (additional source)
Amphianthus margaritaceus (Danielssen, 1890) (additional source)
Amphianthus michaelsarsi Carlgren, 1934 (additional source)
Amphianthus minutus (Hertwig, 1882) (additional source)
Amphianthus mirabilis (Verrill, 1879) (additional source)
Amphianthus ornatus Hertwig, 1888 accepted as
Amphianthus bathybium Hertwig, 1882 (additional source)
Amphianthus radiatus Carlgren, 1928 (additional source)
Anemonactis Andres, 1881 (additional source)
Anemonactis clavus (Quoy & Gaimard, 1833) (additional source)
Anemonia Risso, 1827 (additional source)
Antholoba Hertwig, 1882 (additional source)
Antholoba achates (Drayton in Dana, 1846) (additional source)
Anthopleura Duchassaing de Fonbressin & Michelotti, 1860 (additional source)
Anthosactis Danielssen, 1890 (additional source)
Anthosactis excavata (Hertwig, 1882) (additional source)
Anthosactis ingolfi Carlgren, 1921 (additional source)
Anthosactis jan mayeni accepted as
Anthosactis janmayeni Danielssen, 1890 (additional source)
Athenaria (additional source)
Aureliana accepted as
Aureliania Gosse, 1860 (additional source)
Aureliana georgiana Carlgren, 1927 accepted as
Capnea georgiana (Carlgren, 1927) (additional source)
Bathydactylus Carlgren, 1928 (additional source)
Bathydactylus valdiviae Carlgren, 1928 (additional source)
Bathyphellia Carlgren, 1932 (additional source)
Bathyphellia margaritacea (Danielssen, 1890) (additional source)
Bathyphelliidae Carlgren, 1932 (additional source)
Bolocera Gosse, 1860 (additional source)
Bolocera capensis Carlgren, 1928 accepted as
Bolocera kerguelensis Studer, 1879 (additional source)
Bolocera kerguelensis Studer, 1879 (additional source)
Bolocera maxima Carlgren, 1921 (additional source)
Bolocera occidua McMurrich, 1893 accepted as
Bolocera kerguelensis Studer, 1879 (additional source)
Bolocera pannosa McMurrich, 1893 (additional source)
Bolocera somaliensis Carlgren, 1928 (additional source)
Bolocera tuediae (Johnston, 1832) (additional source)
Boloceroidaria accepted as
Boloceroididae Carlgren, 1924 (additional source)
Boloceroides Carlgren, 1899 (additional source)
Boloceroididae Carlgren, 1924 (additional source)
Bunodactis Verrill, 1899 (additional source)
Cactosoma Danielssen, 1890 (additional source)
Cactosoma abyssorum Danielssen, 1890 (additional source)
Calliactis Verrill, 1869 (additional source)
Calliactis miriam Haddon & Shackleton, 1893 accepted as
Calliactis polypus (Forsskål, 1775) (additional source)
Calliactis polypus (Forsskål, 1775) (additional source)
Carlgrenia Stephenson, 1918 (additional source)
Carlgrenia desiderata Stephenson, 1918 (additional source)
Chondrophellia Carlgren, 1925 (additional source)
Chondrophellia africana Carlgren, 1928 (additional source)
Chondrophellia coronata (Verrill, 1883) (additional source)
Choriactis (additional source)
Condylanthidae Stephenson, 1922 (additional source)
Condylanthus Carlgren, 1899 (additional source)
Condylanthus magellanicus Carlgren, 1899 (additional source)
Corallimorpharia (additional source)
Corallimorphidae Hertwig, 1882 (additional source)
Corallimorphus Moseley, 1877 (additional source)
Corallimorphus antarcticus Carlgren & Stephenson, 1929 accepted as
Corallimorphus profundus Moseley, 1877 (additional source)
Corallimorphus atlanticus Carlgren, 1934 accepted as
Corallimorphus rigidus Moseley, 1877 (additional source)
Corallimorphus ingens Gravier, 1918 (additional source)
Corallimorphus obtectus Hertwig, 1888 accepted as
Corallimorphus rigidus Moseley, 1877 (additional source)
Corallimorphus profundus Moseley, 1877 (additional source)
Corallimorphus rigidus Moseley, 1877 (additional source)