Anthoactis armauerhanseni Leloup, 1932
Anthoactis armauer-hanseni Leloup, 1932 accepted as Anthoactis armauerhanseni Leloup, 1932
Anthoactis benedeni Leloup, 1932
Bursanthus bamfordi Leloup, 1968
Cerianthus abyssorum Danielssen, 1890 accepted as Cerianthus vogti Danielssen, 1890
Cerianthus borealis Verrill, 1873 accepted as Pachycerianthus borealis (Verrill, 1873)
Cerianthus danielsseni Levinsen accepted as Cerianthus lloydii Gosse, 1859 accepted as Synarachnactis lloydii (Gosse, 1859)
Cerianthus lloydii Gosse, 1859 accepted as Synarachnactis lloydii (Gosse, 1859)
Cerianthus taedus McMurrich, 1910
Cerianthus tenebrarum Alcock, 1893 (uncertain > taxon inquirendum )
Cerianthus valdiviae Carlgren, 1912
Cerianthus vogti Danielssen, 1890
Engodactylactis formosa (Gravier, 1920)
Nautanthus bathypelagicus Leloup, 1964
Pachycerianthus antarcticus Stampar, Mills & Keable, 2020
Pachycerianthus borealis (Verrill, 1873)
Sacculactis guntheri Leloup, 1964
Syndactylactis chuni Carlgren, 1924
Syndactylactis inermis (van Beneden, 1897)
Syndactylactis mammillata (Senna, 1907)
Trichactis hardyi Leloup, 1964