Actinernidae Stephenson, 1922 (original description)
Actinernus michaelsarsi Carlgren, 1918 (additional source)
Actinia equina (Linnaeus, 1758) (additional source)
Alicia costae (Panceri, 1868) accepted as Alicia mirabilis Johnson, 1861 (additional source)
Alicia mirabilis Johnson, 1861 (additional source)
Andresiidae Stephenson, 1922 (original description)
Anemonia sulcata (Pennant, 1777) (additional source)
Athenaria (additional source)
Aureliania heterocera (Thompson, 1853) accepted as Capnea sanguinea Forbes, 1841 (additional source)
Bolocera tuediae (Johnston, 1832) (additional source)
Bunodeopsis strumosa Andrès, 1881 (additional source)
Carlgrenia desiderata Stephenson, 1918 (additional source)
Condylactis aurantiaca (Delle Chiaje, 1825) (additional source)
Condylanthidae Stephenson, 1922 (original description)
Corallimorphus ingens Gravier, 1918 (additional source)
Corallimorphus rigidus Moseley, 1877 (additional source)
Corynactis viridis Allman, 1846 (additional source)
Epiactis fecunda (Verrill, 1899) accepted as Urticina fecunda (Verrill, 1899) (additional source)
Epiactis marsupialis Carlgren, 1901 (additional source)
Gonactiniidae Carlgren, 1893 (additional source)
Halcampa arctica Carlgren, 1893 (additional source)
Halcampa chrysanthellum (Peach in Johnston, 1847) (additional source)
Halcampa duodecimcirrata (Sars, 1851) (additional source)
Halcampoides abyssorum Danielssen, 1890 (additional source)
Halcampoides purpurea (Studer, 1879) accepted as Halcampoides purpureus (Studer, 1879) (additional source)
Nynantheae accepted as Enthemonae (additional source)
Peachia hastata Gosse, 1855 (additional source)
Protanthea simplex Carlgren, 1891 (additional source)
Protantheae accepted as Gonactiniidae Carlgren, 1893 (additional source)
Ptychodacteae accepted as Ptychodactinidae Appellöf, 1893 (original description)
Ptychodactis patula Appellöf, 1893 (additional source)
Tealia crassicornis (Müller, 1776) accepted as Urticina crassicornis (Müller, 1776) (additional source)