Adamsia sociabilis Verrill, 1882 accepted as Calliactis sociabilis (Verrill, 1882) (additional source)
Drillactis pallida (Verrill, 1880) (additional source)
Edwardsia andresi Danielssen, 1890 (additional source)
Edwardsia beautempsi Quatrefages, 1842 accepted as Edwardsia beautempsii Quatrefages, 1842 (additional source)
Edwardsia claparedii (Panceri, 1869) (additional source)
Edwardsia delapiae Carlgren & Stephenson, 1928 (additional source)
Edwardsia elegans Verrill, 1869 (additional source)
Edwardsia finmarchica Carlgren, 1921 (additional source)
Edwardsia longicornis Carlgren, 1921 (additional source)
Edwardsia sipunculoides (Stimpson, 1853) (additional source)
Edwardsia timida Quatrefages, 1842 (additional source)
Edwardsia tuberculata Dueben & Koren, 1847 (additional source)
Edwardsia vitrea (Danielssen, 1890) (additional source)
Edwardsiella carnea (Gosse, 1856) (additional source)
Edwardsiella lineata (Verrill in Baird, 1873) (additional source)
Edwardsiella loveni (Carlgren, 1892) (additional source)
Halcampa duodecimcirrata (Sars, 1851) (additional source)
Halcampoides purpurea (Studer, 1879) accepted as Halcampoides purpureus (Studer, 1879) (additional source)
Haloclava producta (Stimpson, 1856) (additional source)
Nematostella polaris (Carlgren, 1921) (additional source)
Nematostella vectensis Stephenson, 1935 (additional source)
Paraedwardsia arenaria Carlgren in Nordgaard, 1905 (additional source)
Paraedwardsia sarsii (Dueben & Koren, 1847) (additional source)
Scolanthus callimorphus Gosse, 1853 (additional source)
Scolanthus nidarosiensis (Carlgren, 1942) (additional source)