Allantactis parasitica Danielssen, 1890 (additional source)
Amphianthus Hertwig, 1882 (additional source)
Bolocera tuediae (Johnston, 1832) (additional source)
Cribrinopsis similis Carlgren, 1921 (additional source)
Edwardsia andresi Danielssen, 1890 (additional source)
Edwardsia islandica Carlgren, 1921 (additional source)
Edwardsia tuberculata Dueben & Koren, 1847 (additional source)
Epizoanthus erdmanni (Danielssen, 1890) (additional source)
Epizoanthus incrustatus Düben & Koren, 1847 accepted as Epizoanthus papillosus Johnston, 1842 (additional source)
Halcampa arctica Carlgren, 1893 (additional source)
Halcampoides purpurea (Studer, 1879) accepted as Halcampoides purpureus (Studer, 1879) (additional source)
Hormathia digitata (O.F. Müller, 1776) (additional source)
Hormathia nodosa (Fabricius, 1780) (additional source)
Isozoanthus multinsulosus Carlgren, 1913 (additional source)
Limnactinia laevis Carlgren, 1921 (additional source)
Metridium senile (Linnaeus, 1761) (additional source)
Nematostella polaris (Carlgren, 1921) (additional source)
Parasicyonis sarsii Carlgren, 1921 (additional source)
Parazoanthus anguicomus (Norman, 1869) (additional source)
Phellia gausapata Gosse, 1858 (additional source)
Ptychodactis patula Appellöf, 1893 (additional source)
Sagartia elegans (Dalyell, 1848) accepted as Cylista elegans (Dalyell, 1848) (additional source)
Sagartia troglodytes (Price in Johnston, 1847) accepted as Cylista troglodytes (Price in Johnston, 1847) (additional source)
Stomphia coccinea (Müller, 1776) (additional source)