Acontiaria Stephenson, 1935 (additional source)
Actinauge Verrill, 1883 (additional source)
Actinauge verrillii McMurrich, 1893 (additional source)
Actinernidae Stephenson, 1922 (additional source)
Actinernus Verrill, 1879 (additional source)
Actinernus elongatus (Hertwig, 1882) (additional source)
Actiniaria (additional source)
Actiniidae Rafinesque, 1815 (additional source)
Actinoscyphia Stephenson, 1920 (additional source)
Actinoscyphia plebeia (McMurrich, 1893) (additional source)
Actinostola Verrill, 1883 (additional source)
Actinostola crassicornis (Hertwig, 1882) (additional source)
Actinostolidae Carlgren, 1932 (additional source)
Aiptasia Gosse, 1858 (additional source)
Aiptasia prima (Stephenson, 1918) (additional source)
Aiptasiidae Carlgren, 1924 (additional source)
Aiptasiomorpha Stephenson, 1920 (additional source)
Aiptasiomorpha minima (Stephenson, 1918) (additional source)
Aiptasiomorphidae Carlgren, 1949 (original description)
Artemidactis Stephenson, 1918 (additional source)
Artemidactis victrix Stephenson, 1918 (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)
Bathyphellia Carlgren, 1932 (additional source)
Bathyphelliidae Carlgren, 1932 (additional source)
Bolocera Gosse, 1860 (additional source)
Bolocera kerguelensis Studer, 1879 (additional source)
Bolocera tuediae (Johnston, 1832) (additional source)
Corallimorpharia (additional source)
Corallimorphidae Hertwig, 1882 (additional source)
Corallimorphus Moseley, 1877 (additional source)
Corallimorphus profundus Moseley, 1877 (additional source)
Corallimorphus rigidus Moseley, 1877 (additional source)
Dactylanthus (additional source)
Dactylanthus antarcticus (Clubb, 1908) (additional source)
Diadumene Stephenson, 1920 (additional source)
Diadumenidae Stephenson, 1920 (additional source)
Edwardsia intermedia McMurrich, 1893 accepted as Scolanthus intermedius (McMurrich, 1893) (additional source)
Endocoelantheae accepted as Actinernoidea Stephenson, 1922 (additional source)
Endomyaria Stephenson, 1921 (additional source)
Epiactis Verrill, 1869 (additional source)
Epiactis georgiana Carlgren, 1927 (additional source)
Glyphoperidium Roule, 1909 (additional source)
Glyphoperidium bursa Roule, 1909 (additional source)
Halcampella Andres, 1883 (additional source)
Halcampidae Andres, 1883 (additional source)
Halcampoididae Appellöf, 1896 (additional source)
Hormathia Gosse, 1859 (additional source)
Hormathia insignis (Stephenson, 1918) (additional source)
Hormathia lacunifera (Stephenson, 1918) (additional source)
Hormathiidae Carlgren, 1932 (additional source)
Hormosoma Stephenson, 1918 (additional source)
Hormosoma scotti Stephenson, 1918 (additional source)
Isanthidae Carlgren, 1938 (additional source)
Isosicyonis Carlgren, 1927 (additional source)
Isosicyonis alba (Studer, 1879) (additional source)
Kadosactis Danielssen, 1890 (additional source)
Liponema Hertwig, 1882 (additional source)
Mesomyaria Stephenson, 1921 accepted as Actinostoloidea Carlgren, 1932 (additional source)
Metridiidae Carlgren, 1893 (additional source)
Nynantheae accepted as Enthemonae (additional source)
Sagartiidae Gosse, 1858 (additional source)
Sicyonis Hertwig, 1882 (additional source)
Sicyonis erythrocephala (Pax, 1922) (additional source)
Stomphia (Gosse, 1859) (additional source)
Stomphia selaginella (Stephenson, 1918) (additional source)
Thenaria (additional source)
Urticinopsis Carlgren, 1927 (additional source)
Urticinopsis antarctica (Verrill, 1922) (additional source)