Acontiophorum mortenseni Carlgren, 1938 (additional source)
Acraspedanthus elongatus Carlgren, 1924 accepted as Isoparactis ferax (Stuckey, 1909) (additional source)
Acthelmis Lütken, 1875 (additional source)
Actinauge Verrill, 1883 (additional source)
Actinecta de Blainville, 1830 (additional source)
Actineria villosa Quoy & Gaimard in de Blainville, 1830 (additional source)
Actinernus nobilis Verrill, 1879 (additional source)
Actinia abyssicola Moseley, 1877 accepted as Stephanauge abyssicola (Moseley, 1877) (additional source)
Actinia multicolor Stimpson, 1856 accepted as Physactis multicolor (Stimpson, 1856) (additional source)
Actinia striata Rizzi, 1907 (additional source)
Actiniogeton Carlgren, 1938 accepted as Gyractis Boveri, 1893 (additional source)
Actinodiscus de Blainville, 1830 accepted as Discosoma Rüppell & Leuckart, 1828 (additional source)
Actinoides sultana (Carlgren, 1920) accepted as Gyractis sesere (Haddon & Shackleton, 1893) (additional source)
Actinoporus elegans Duchassaing, 1850 (additional source)
Actinopsis flava Danielssen & Koren, 1856 (additional source)
Actinoscyphia Stephenson, 1920 (additional source)
Actinostephanus haeckeli Kwietniewski, 1897 (additional source)
Actinostola Verrill, 1883 (additional source)
Actinostola spetsbergensis Carlgren, 1893 accepted as Glandulactis spetsbergensis (Carlgren, 1893) (additional source)
Actinothoe Fischer, 1889 (additional source)
Adamsia Forbes, 1840 accepted as Calliactis Verrill, 1869 (additional source)
Aiptasiogeton Schmidt, 1972 (additional source)
Aiptasiomorpha Stephenson, 1920 (additional source)
Alicia mirabilis Johnson, 1861 (additional source)
Allantactis parasitica Danielssen, 1890 (additional source)
Amphianthus bathybium Hertwig, 1882 (additional source)
Amplexidiscus fenestrafer Dunn & Hamner, 1980 (additional source)
Andvakia mirabilis Danielssen, 1890 (additional source)
Anemonia Risso, 1827 (additional source)
Antheopsis Simon, 1892 (additional source)
Antholoba Hertwig, 1882 (additional source)
Anthopleura krebsi Duchassaing & Michelotti, 1860 (additional source)
Anthostella stephensoni Carlgren, 1938 (additional source)
Anthothoe Carlgren, 1938 (additional source)
Antiparactis Verrill, 1899 (additional source)
Artemidactis victrix Stephenson, 1918 (additional source)
Aulactinia capitata Agassiz in Verril, 1864 (additional source)
Aureliana accepted as Aureliania Gosse, 1860 (additional source)
Austroneophellia luciae Zamponi, 1978 (additional source)
Bartholomea Duchassaing de Fombressin & Michelotti, 1864 (additional source)
Bathydactylus valdiviae Carlgren, 1928 (additional source)
Bathyphellia Carlgren, 1932 (additional source)
Bellactis ilkalyseae Dube, 1983 (additional source)
Bolocera Gosse, 1860 (additional source)
Boloceractis gopalai Panikkar, 1937 (additional source)
Boloceroides Carlgren, 1899 (additional source)
Boloceropsis platei McMurrich, 1904 (additional source)
Botryon tuberculatus Carlgren & Hedgepeth, 1952 accepted as Botryon tuberculata Carlgren & Hedgepeth, 1952 (additional source)
Bunodactis Verrill, 1899 (additional source)
Bunodeopsis strumosa Andrès, 1881 (additional source)
Bunodosoma Verrill, 1899 (additional source)
Cactosoma abyssorum Danielssen, 1890 (additional source)
Calamactinia goughiensis Carlgren, 1949 (additional source)
Calamactis praelongus Carlgren, 1951 accepted as Calamactis praelonga Carlgren, 1951 (additional source)
Calliactis Verrill, 1869 (additional source)
Cancrisocia expansa Stimpson, 1856 (additional source)
Capnea sanguinea Forbes, 1841 (additional source)
Carcinactis ichikawai Uchida, 1960 (additional source)
Carlgrenia desiderata Stephenson, 1918 (additional source)
Cataphellia Stephenson, 1929 (additional source)
Charisea saxicola Torrey, 1902 (additional source)
Charisella elongata Carlgren, 1950 (additional source)
Chondranthus denudatum Migot & Portmann, 1926 accepted as Chondranthus denudatus Migot & Portmann, 1926 (additional source)
Chondrophellia Carlgren, 1925 (additional source)
Choriactis (additional source)
Cladactella Verrill, 1928 (additional source)
Cnidanthus Carlgren, 1927 (additional source)
Cnidopus Carlgren, 1934 accepted as Epiactis Verrill, 1869 (additional source)
Condylactis natalensis Carlgren, 1938 accepted as Korsaranthus natalensis (Carlgren, 1938) (additional source)
Condylanthus magellanicus Carlgren, 1899 (additional source)
Corallimorphus profundus Moseley, 1877 (additional source)
Corynactis viridis Allman, 1846 (additional source)
Cribrina Hemprich & Ehrenberg in Ehrenberg, 1834 (additional source)
Cribrinopsis similis Carlgren, 1921 (additional source)
Cricophorus Carlgren, 1924 accepted as Handactis Fautin, 2016 (additional source)
Cryptodendrum adhaesivum (Klunzinger, 1877) (additional source)
Cyananthea hydrothermala Doumenc & Van-Praët, 1988 (additional source)
Cylista Wright, 1859 (additional source)
Cymbactis faeculenta McMurrich, 1893 accepted as Actinostola faeculenta (McMurrich, 1893) (additional source)
Cystiactis (additional source)
Dactylanthus (additional source)
Daontesia Carlgren, 1942 (additional source)
Decaphellia psammomitra Bourne, 1918 accepted as Andvakia psammomitra (Bourne, 1918) (additional source)
Diadumene Stephenson, 1920 (additional source)
Diadumene cincta Stephenson, 1925 (additional source)
Discosoma nummiforme Rüppell & Leuckart, 1828 (additional source)
Dofleinia armata Wassilieff, 1908 (additional source)
Drillactis Verrill, 1922 (additional source)
Echinactis (additional source)
Edwardsia beautempsii Quatrefages, 1842 (additional source)
Edwardsia rubricollum Stimpson, 1856 (additional source)
Edwardsianthus England, 1987 (additional source)
Eltaninactis infundibulum Dunn, 1983 (additional source)
Entacmaea Ehrenberg, 1834 (additional source)
Epiactis prolifera Verrill, 1869 (additional source)
Epiactis ritteri Torrey, 1902 (additional source)
Epiparactis dubia Carlgren, 1921 (additional source)
Epiphellia anneae Carlgren, 1950 (additional source)
Euphellia cinclidifera Pax, 1908 (additional source)
Exocoelactis Carlgren, 1925 (additional source)