Allantactis Danielssen, 1890 (original description)
Allantactis parasitica Danielssen, 1890 (original description)
Andvakia Danielssen, 1890 (original description)
Andvakia mirabilis Danielssen, 1890 (original description)
Andvakiidae Danielssen, 1890 (original description)
Anthosactis Danielssen, 1890 (original description)
Bolocera Gosse, 1860 (additional source)
Cactosoma Danielssen, 1890 (original description)
Cactosoma abyssorum Danielssen, 1890 (original description)
Cerianthus membranaceous accepted as Cerianthus membranaceus (Gmelin, 1791) (additional source)
Cerianthus vogti Danielssen, 1890 (original description)
Edwardsia andresi Danielssen, 1890 (original description)
Edwardsia claparedii (Panceri, 1869) (additional source)
Edwardsia costata Danielssen, 1890 (original description)
Edwardsia fusca Danielssen, 1890 (original description)
Edwardsioides accepted as Edwardsia Quatrefages, 1842 (original description)
Epizoanthus glacialis Danielssen, 1890 (original description)
Epizoanthus roseus Danielssen, 1890 (original description)
Halcampoides Danielssen, 1890 (original description)
Halcampoides abyssorum Danielssen, 1890 (original description)
Kadosactis Danielssen, 1890 (original description)
Kadosactis rosea Danielssen, 1890 (original description)
Phellia arctica Danielssen, 1890 accepted as Epiactis arctica (Verrill, 1868) (original description)
Sagartia splendens Danielssen, 1890 accepted as Cylista splendens (Danielssen, 1890) (original description)
Sideractis Danielssen, 1890 (original description)
Sideractis glacialis Danielssen, 1890 (original description)