Acthelmis Lütken in Jones, 1875 (extant flag source)
Acthelmis Lütken in Jones, 1875 (basis of record)
Actinauge Verrill, 1883 (basis of record)
Actinauge Verrill, 1883 (extant flag source)
Actinernus Verrill, 1879 (basis of record)
Actinernus Verrill, 1879 (extant flag source)
Actinia Linnaeus, 1767 (basis of record)
Actinia Linnaeus, 1767 (extant flag source)
Actinoscyphia Stephenson, 1920 (extant flag source)
Actinoscyphia Stephenson, 1920 (basis of record)
Actinostola Verrill, 1883 (basis of record)
Actinostola Verrill, 1883 (extant flag source)
Actinothoe Fischer, 1889 (extant flag source)
Actinothoe Fischer, 1889 (basis of record)
Adamsia Forbes, 1840 (extant flag source)
Adamsia Forbes, 1840 (basis of record)
Aiptasia Gosse, 1858 (extant flag source)
Aiptasia Gosse, 1858 (basis of record)
Aiptasiogeton Schmidt, 1972 (extant flag source)
Aiptasiogeton Schmidt, 1972 (basis of record)
Alicia Johnson, 1861 (extant flag source)
Alicia Johnson, 1861 (basis of record)
Allantactis Danielssen, 1890 (extant flag source)
Allantactis Danielssen, 1890 (basis of record)
Amphianthus Hertwig, 1882 (extant flag source)
Amphianthus Hertwig, 1882 (basis of record)
Andresia Stephenson, 1921 (basis of record)
Andresia Stephenson, 1921 (extant flag source)
Andvakia Danielssen, 1890 (basis of record)
Andvakia Danielssen, 1890 (extant flag source)
Andvakia Danielssen, 1890 (name verified source)
Anemonactis Andres, 1880 (extant flag source)
Anemonactis Andres, 1880 (basis of record)
Anemonia Risso, 1826 (basis of record)
Anemonia Risso, 1826 (extant flag source)
Anthopleura Duchassaing de Fonbressin & Michelotti, 1860 (extant flag source)
Anthopleura Duchassaing de Fonbressin & Michelotti, 1860 (basis of record)
Anthosactis Danielssen, 1890 (extant flag source)
Anthosactis Danielssen, 1890 (basis of record)
Arachnactis Sars, 1846 (basis of record)
Arachnactis Sars, 1846 (extant flag source)
Arachnanthus Carlgren, 1912 (extant flag source)
Arachnanthus Carlgren, 1912 (basis of record)
Aulactinia Agassiz in Verrill, 1864 (extant flag source)
Aulactinia Agassiz in Verrill, 1864 (basis of record)
Aureliana accepted as Aureliania Gosse, 1860 (basis of record)
Aureliana accepted as Aureliania Gosse, 1860 (extant flag source)
Bathyphellia Carlgren, 1932 (extant flag source)
Bathyphellia Carlgren, 1932 (basis of record)
Bolocera Gosse, 1860 (extant flag source)
Bolocera Gosse, 1860 (basis of record)
Botracnidifer accepted as Botrucnidifer Carlgren, 1912 (basis of record)
Botracnidifer accepted as Botrucnidifer Carlgren, 1912 (extant flag source)
Bunodactis Verrill, 1899 (basis of record)
Bunodactis Verrill, 1899 (extant flag source)
Bunodeopsis Andres, 1881 (extant flag source)
Bunodeopsis Andres, 1881 (basis of record)
Bunodosoma Verrill, 1899 (basis of record)
Bunodosoma Verrill, 1899 (extant flag source)
Cactosoma Danielssen, 1890 (extant flag source)
Cactosoma Danielssen, 1890 (basis of record)
Calliactis Verrill, 1869 (basis of record)
Calliactis Verrill, 1869 (extant flag source)
Carlgrenia Stephenson, 1918 (basis of record)
Carlgrenia Stephenson, 1918 (extant flag source)
Cataphellia Stephenson, 1929 (extant flag source)
Cataphellia Stephenson, 1929 (basis of record)
Cereus Ilmoni, 1830 (extant flag source)
Cereus Ilmoni, 1830 (basis of record)
Cerianthus delle Chiaje, 1830 (extant flag source)
Cerianthus delle Chiaje, 1830 (basis of record)
Chondrophellia Carlgren, 1925 (extant flag source)
Chondrophellia Carlgren, 1925 (basis of record)
Condylactis Duchassaing de Fombressin & Michelotti, 1864 (extant flag source)
Condylactis Haddon & Shackleton, 1893 accepted as Condylactis Duchassaing de Fombressin & Michelotti, 1864 (extant flag source)
Condylactis Haddon & Shackleton, 1893 accepted as Condylactis Duchassaing de Fombressin & Michelotti, 1864 (basis of record)
Corallimorphus Moseley, 1877 (extant flag source)
Corallimorphus Moseley, 1877 (basis of record)
Corynactis Allman, 1846 (extant flag source)
Corynactis Allman, 1846 (basis of record)
Cribrinopsis Carlgren, 1921 (basis of record)
Cribrinopsis Carlgren, 1921 (extant flag source)
Daontesia Carlgren, 1942 (basis of record)
Daontesia Carlgren, 1942 (extant flag source)
Diadumene Stephenson, 1920 (extant flag source)
Diadumene Stephenson, 1920 (basis of record)
Edwardsia Quatrefages, 1842 (extant flag source)
Edwardsia Quatrefages, 1842 (basis of record)
Epiactis Verrill, 1869 (basis of record)
Epiactis Verrill, 1869 (extant flag source)
Epiparactis Carlgren, 1921 (basis of record)
Epiparactis Carlgren, 1921 (extant flag source)
Epizoanthus Gray, 1867 (basis of record)
Epizoanthus Gray, 1867 (extant flag source)
Euphellia Pax, 1908 (basis of record)
Euphellia Pax, 1908 (extant flag source)
Fagesia Delphy, 1938 accepted as Edwardsiella Andres, 1883 (basis of record)
Fagesia Delphy, 1938 accepted as Edwardsiella Andres, 1883 (extant flag source)
Gerardia Lacaze-Duthiers, 1864 accepted as Savalia Nardo, 1844 (extant flag source)
Gerardia Lacaze-Duthiers, 1864 accepted as Savalia Nardo, 1844 (basis of record)