Aegir frigidus Danielssen, 1887 accepted as Halcampoides purpureus (Studer, 1879) (additional source)
Allantactis parasitica Danielssen, 1890 (additional source)
Andwakia mirabilis Danielssen, 1890 accepted as Andvakia mirabilis Danielssen, 1890 (additional source)
Anemonia stimpsoni accepted as Gyrostoma stimpsonii (Fewkes, 1889) (additional source)
Anthosactis jan mayeni accepted as Anthosactis janmayeni Danielssen, 1890 (additional source)
Aulactinia stelloides McMurrich, 1889 accepted as Isoaulactinia stelloides (McMurrich, 1889) (additional source)
Bolocera longicornis Carlgren, 1891 accepted as Bolocera tuediae (Johnston, 1832) (additional source)
Bunodella georgiana Pfeffer, 1889 accepted as Parantheopsis georgiana (Pfeffer, 1889) (additional source)
Bunodes abyssorum Danielssen, 1890 accepted as Actinostola abyssorum (Danielssen, 1890) (additional source)
Bunodes californica Fewkes, 1889 accepted as Anthopleura xanthogrammica (Brandt, 1835) (additional source)
Bunodes duregnii accepted as Bunodactis rubripunctata (Grube, 1840) (additional source)
Bunodes taeniatus Mc Murrich, 1889 accepted as Bunodosoma granuliferum (Le Sueur, 1817) (additional source)
Cactosoma abyssorum Danielssen, 1890 (additional source)
Calliactis kroeyeri Danielssen, 1890 accepted as Allantactis parasitica Danielssen, 1890 (additional source)
Cereactis bahamensis (additional source)
Cerianthus abyssorum Danielssen, 1890 accepted as Cerianthus vogti Danielssen, 1890 (additional source)
Cerianthus brachysoma Cerfontaine, 1891 (additional source)
Cerianthus oligopodus Cerfontaine, 1891 accepted as Arachnanthus oligopodus (Cerfontaine, 1891) (additional source)
Cerianthus vogti Danielssen, 1890 (additional source)
Chitonactis marioni Haddon, 1889 accepted as Hormathia marioni (Haddon, 1889) (additional source)
Diplactis bermudensis McMurrich, 1889 accepted as Actinia bermudensis (McMurrich, 1889) (additional source)
Edwardsia andresi Danielssen, 1890 (additional source)
Edwardsia costata Danielssen, 1890 (additional source)
Edwardsia fischeri Chevreux & de Guerne, 1889 (additional source)
Edwardsia fusca Danielssen, 1890 (additional source)
Edwardsia tecta Haddon, 1889 (additional source)
Edwardsioides vitrea Danielssen, 1890 accepted as Edwardsia vitrea (Danielssen, 1890) (additional source)
Fenja mirabilis Danielssen, 1887 accepted as Halcampoides purpureus (Studer, 1879) (additional source)
Halcampoides abyssorum Danielssen, 1890 (additional source)
Hoplophoria coralligens Wilson, 1890 accepted as Lebrunia coralligens (Wilson, 1890) (additional source)
Kadosactis rosea Danielssen, 1890 (additional source)
Kodioides pedunculata Danielssen, 1890 (additional source)
Korenia margaritacea Danielssen, 1890 accepted as Amphianthus margaritaceus (Danielssen, 1890) (additional source)
Kyathactis hyalina Danielssen, 1890 accepted as Glandulactis spetsbergensis (Carlgren, 1893) (additional source)
Kylindrosactis elegans Danielssen, 1890 accepted as Stomphia coccinea (Müller, 1776) (additional source)
Madoniactis lofotensis Danielssen, 1890 accepted as Urticina lofotensis (Danielssen, 1890) accepted as Urticina eques (Gosse, 1858) (additional source)
Oractis diomedeae McMurrich, 1893 accepted as Oceanactis diomedeae (McMurrich, 1893) (additional source)
Oulactis fasciculata McMurrich, 1889 accepted as Actinostella flosculifera (Le Sueur, 1817) (additional source)
Paraphellia expansa Haddon, 1886 (additional source)
Peachia antarctica Pfeffer, 1889 accepted as Scytophorus antarcticus (Pfeffer, 1889) (additional source)
Phellia arctica Danielssen, 1890 accepted as Epiactis arctica (Verrill, 1868) (additional source)
Phellia bathybia Danielssen, 1890 accepted as Kadosactis rosea Danielssen, 1890 (additional source)
Phellia crassa Danielssen, 1890 accepted as Cactosoma abyssorum Danielssen, 1890 (additional source)
Phellia flexibilis Danielssen, 1890 accepted as Sagartiogeton flexibilis (Danielssen, 1890) (additional source)
Phellia margaritacea Danielssen, 1890 accepted as Bathyphellia margaritacea (Danielssen, 1890) (additional source)
Phellia norvegica Danielssen, 1890 (additional source)
Phellia spitzbergensis accepted as Kadosactis spitsbergensis (Danielssen, 1890) (additional source)
Phellia violacea Danielssen, 1890 accepted as Kadosactis rosea Danielssen, 1890 (additional source)
Protanthea simplex Carlgren, 1891 (additional source)
Sagartia herdmanni accepted as Sagartiogeton laceratus (Dalyell, 1848) accepted as Sagartia lacerata (Dalyell, 1848) (additional source)
Sagartia repens Danielssen, 1890 accepted as Stomphia coccinea (Müller, 1776) (additional source)
Sagartia splendens Danielssen, 1890 accepted as Cylista splendens (Danielssen, 1890) (additional source)
Sideractis glacialis Danielssen, 1890 (additional source)
Stilidiacis mopseae accepted as Amphianthus mopseae (Danielssen, 1890) (additional source)
Stilidiactis tubulariae accepted as Amphianthus mopseae (Danielssen, 1890) (additional source)
Tealiopsis polaris Danielssen, 1890 accepted as Stomphia polaris (Danielssen, 1890) (additional source)
Thelaceros rhizophorae Mitchell, 1890 accepted as Phymanthus rhizophorae (Mitchell, 1890) (additional source)