Acthelmis intestinalis (Fabricius, 1780) (additional source)
Actinernus nobilis Verrill, 1879 (additional source)
Actinia equina (Linnaeus, 1758) (additional source)
Actinostola callosa (Verrill, 1882) (additional source)
Actinostola groenlandica Carlgren, 1899 (additional source)
Actinostola spetsbergensis Carlgren, 1893 accepted as Glandulactis spetsbergensis (Carlgren, 1893) (additional source)
Anthosactis ingolfi Carlgren, 1921 (original description)
Bolocera maxima Carlgren, 1921 (original description)
Bolocera tuediae (Johnston, 1832) (additional source)
Cactosoma abyssorum Danielssen, 1890 (additional source)
Cribrinopsis Carlgren, 1921 (original description)
Cribrinopsis similis Carlgren, 1921 (original description)
Edwardsia andresi Danielssen, 1890 (additional source)
Edwardsia arctica Carlgren, 1921 (original description)
Edwardsia danica Carlgren, 1921 (original description)
Edwardsia finmarchica Carlgren, 1921 (original description)
Edwardsia fusca Danielssen, 1890 (additional source)
Edwardsia islandica Carlgren, 1921 (original description)
Edwardsia longicornis Carlgren, 1921 (additional source)
Edwardsia tuberculata Dueben & Koren, 1847 (additional source)
Edwardsia vegae Carlgren, 1921 (original description)
Edwardsia vitrea (Danielssen, 1890) (additional source)
Epiactis arctica (Verrill, 1868) (additional source)
Epiactis incerta Carlgren, 1921 (original description)
Epiactis marsupialis Carlgren, 1901 (additional source)
Epiactis nordmanni Carlgren, 1921 (original description)
Epiparactis Carlgren, 1921 (original description)
Epiparactis dubia Carlgren, 1921 (original description)
Gonactinia prolifera (Sars, 1835) (additional source)
Halcampa arctica Carlgren, 1893 (additional source)
Halcampa duodecimcirrata (Sars, 1851) (additional source)
Halcampa vegae Carlgren, 1921 (original description)
Halcampoides purpurea (Studer, 1879) accepted as Halcampoides purpureus (Studer, 1879) (additional source)
Haliactis Carlgren, 1921 (original description)
Haliactis arctica Carlgren, 1921 (original description)
Halianthella kerguelensis (Studer, 1879) (additional source)
Haloclava producta (Stimpson, 1856) (additional source)
Isoedwardsia Carlgren, 1900 (original description)
Isoedwardsia ingolfi Carlgren, 1921 (original description)
Limnactinia Carlgren, 1921 (original description)
Limnactinia laevis Carlgren, 1921 (original description)
Limnactiniidae Carlgren, 1921 (original description)
Paraedwardsia Carlgren in Nordgaard, 1905 (additional source)
Paraedwardsia arenaria Carlgren in Nordgaard, 1905 (additional source)
Paraedwardsia sarsii (Dueben & Koren, 1847) (additional source)
Parahalcampa Carlgren, 1927 (additional source)
Parahalcampa antarctica Carlgren, 1927 (additional source)
Parasicyonis Carlgren, 1921 (original description)
Parasicyonis sarsii Carlgren, 1921 (original description)
Peachia boekii (Danielssen & Koren, 1856) accepted as Peachia boeckii (Danielssen & Koren, 1856) accepted as Peachia hastata Gosse, 1855 (additional source)
Peachia hastata Gosse, 1855 (additional source)
Peachia parasitica (Agassiz, 1861) (additional source)
Protanthea simplex Carlgren, 1891 (additional source)
Ptychodactis patula Appellöf, 1893 (additional source)
Pycnanthus densus Carlgren, 1921 (original description)
Pycnanthus laevis Carlgren, 1921 (original description)
Scytophorus antarcticus (Pfeffer, 1889) (additional source)
Sicyonis ingolfi Carlgren, 1921 (original description)
Sicyonis tuberculata Carlgren, 1921 (original description)
Sicyonis variabilis Carlgren, 1921 (original description)
Sideractis glacialis Danielssen, 1890 (additional source)
Siphonactinopsis Carlgren, 1921 (original description)
Siphonactinopsis laevis Carlgren, 1921 (original description)
Stomphia coccinea (Müller, 1776) (additional source)
Stomphia polaris (Danielssen, 1890) (additional source)
Synhalcampella Carlgren, 1921 (original description)
Tealidium jungerseni Carlgren, 1921 (original description)
Urticina eques (Gosse, 1858) (source of synonymy)
Urticina felina (Linnaeus, 1761) (additional source)
Urticina lofotensis (Danielssen, 1890) accepted as Urticina eques (Gosse, 1858) (source of synonymy)