Actinostola callosa (Verrill, 1882) (additional source)
Anthosactis janmayeni Danielssen, 1890 (additional source)
Bolocera tuediae (Johnston, 1832) (additional source)
Cerianthus lloydi Gosse, 1859 accepted as Cerianthus lloydii Gosse, 1859 accepted as Synarachnactis lloydii (Gosse, 1859) (additional source)
Cerianthus vogti Danielssen, 1890 (additional source)
Cribrinopsis similis Carlgren, 1921 (additional source)
Edwardsia andresi Danielssen, 1890 (additional source)
Edwardsia finmarchica Carlgren, 1921 (additional source)
Edwardsia fusca Danielssen, 1890 (additional source)
Edwardsia vegae Carlgren, 1921 (additional source)
Epiactis arctica (Verrill, 1868) (additional source)
Epiactis incerta Carlgren, 1921 (additional source)
Epiactis marsupialis Carlgren, 1901 (additional source)
Epizoanthus danielsseni Carlgren, 1913 (additional source)
Epizoanthus erdmanni (Danielssen, 1890) (additional source)
Epizoanthus lindahli Carlgren, 1913 (additional source)
Gonactinia prolifera (Sars, 1835) (additional source)
Halcampa arctica Carlgren, 1893 (additional source)
Halcampoides purpurea (Studer, 1879) accepted as Halcampoides purpureus (Studer, 1879) (additional source)
Haliactis arctica Carlgren, 1921 (additional source)
Hormathia digitata (O.F. Müller, 1776) (additional source)
Isozoanthus bulbosus Carlgren, 1913 (additional source)
Limnactinia laevis Carlgren, 1921 (additional source)
Liponema multicornis (Verrill, 1880) accepted as Liponema multicorne (Verrill, 1880) (additional source)
Nematostella nathorsti (Carlgren, 1921) accepted as Nematostella nathorstii (Carlgren, 1921) (additional source)
Nematostella polaris (Carlgren, 1921) (additional source)
Paraedwardsia arenaria Carlgren in Nordgaard, 1905 (additional source)
Ptychodactis patula Appellöf, 1893 (additional source)
Pycnanthus densus Carlgren, 1921 (additional source)
Stomphia coccinea (Müller, 1776) (additional source)