Actinauge richardi (Marion, 1906) (additional source)
Adamsia palliata (Fabricius, 1779) accepted as Calliactis palliata (Müller, 1776) (additional source)
Allantactis parasitica Danielssen, 1890 (additional source)
Amphianthus ingolfi Carlgren, 1942 (original description)
Amphianthus islandicus Carlgren, 1942 (original description)
Amphianthus margaritaceus (Danielssen, 1890) (additional source)
Amphianthus mopseae (Danielssen, 1890) (additional source)
Amphianthus norvegicus Carlgren, 1942 (original description)
Amphianthus verruculatus Carlgren, 1942 (original description)
Anemonia sulcata (Pennant, 1777) (additional source)
Arachnactis albida Sars, 1846 (additional source)
Arachnanthus sarsi Carlgren, 1912 (additional source)
Bathyphellia margaritacea (Danielssen, 1890) (additional source)
Botrucnidifer norvegicus Carlgren, 1912 (additional source)
Cerianthus Delle Chiaje, 1841 (additional source)
Cerianthus lloydii Gosse, 1859 accepted as Synarachnactis lloydii (Gosse, 1859) (additional source)
Cerianthus vogti Danielssen, 1890 (additional source)
Chondrophellia coronata (Verrill, 1883) (additional source)
Daontesia Carlgren, 1942 (original description)
Daontesia praelonga (Carlgren, 1928) (additional source)
Edwardsia norvegica Carlgren, 1942 (original description)
Haliactis arctica Carlgren, 1921 (additional source)
Hormathia digitata (O.F. Müller, 1776) (additional source)
Hormathia nodosa (Fabricius, 1780) (additional source)
Isoedwardsia nidarosiensis Carlgren, 1942 accepted as Scolanthus nidarosiensis (Carlgren, 1942) (original description)
Kadosactis abyssicola (Koren & Danielssen, 1877) (additional source)
Kadosactis rosea Danielssen, 1890 (additional source)
Metridium senile (Linnaeus, 1761) (additional source)
Octineon suecicum Carlgren, 1940 (additional source)
Pachycerianthus multiplicatus Carlgren, 1912 (additional source)
Paraphelliactis spinosa Carlgren, 1928 (additional source)
Parasicyonis ingolfi Carlgren, 1942 (original description)
Phellia gausapata Gosse, 1858 (additional source)
Phelliactis hertwigi Simon, 1892 accepted as Phelliactis hertwigii Simon, 1892 (additional source)
Phelliactis robusta Carlgren, 1928 (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)
Sagartiogeton abyssorum Carlgren, 1942 (original description)
Sagartiogeton flexibilis (Danielssen, 1890) (additional source)
Sagartiogeton ingolfi Carlgren, 1928 (additional source)
Sagartiogeton robustus Carlgren, 1924 (additional source)
Sagartiogeton tubicolus (Koren & Danielssen, 1877) (additional source)
Sagartiogeton verrilli Carlgren, 1942 (original description)
Stephanauge acanellae (Verrill, 1883) (additional source)