• Botracnidifer norvegicus Carlgren, 1912 accepted as Botrucnidifer norvegicus Carlgren, 1912
• Botrucnidifer norvegicus Carlgren, 1912
• Cerianthula mediterranea Beneden, 1897
• Cerianthus dohrni van Beneden, 1924 accepted as Pachycerianthus dohrni (van Beneden, 1924)
• Cerianthus lloydi Gosse, 1859 accepted as Cerianthus lloydii Gosse, 1859
• Cerianthus lloydii Gosse, 1859
• Cerianthus membranaceus (Gmelin, 1791)
• Cerianthus vogti Danielssen, 1890
• Pachycerianthus dohrni (van Beneden, 1924)
• Pachycerianthus multiplicatus Carlgren, 1912
• Pachycerianthus solitarius (Rapp, 1829)
• Synarachnactis bournei (Fowler, 1897) accepted as Cerianthus lloydii Gosse, 1859
• Synarachnactis membranacea (Gmelin, 1791) accepted as Cerianthus membranaceus (Gmelin, 1791)