Actinia (Phyllominyas) olivacea Le Sueur, 1817 represented as Actinia olivacea Le Sueur, 1817 accepted as Actinecta olivacea (Le Sueur, 1817) (additional source)
Actinia equina (Linnaeus, 1758) (additional source)
Actinia tenebrosa Farquhar, 1898 (additional source)
Actinia viridula Quoy & Gaimard, 1833 accepted as Actinecta viridula (Quoy & Gaimard, 1833) (additional source)
Anactinia (Hook.f.) J.Rémy accepted as Nardophyllum (Hook. & Arn.) Hook. & Arn. (additional source)
Anactinia indiana (Bamford, 1912) (additional source)
Anactinia pelagica Annandale, 1909 (additional source)
Anactinia superficialis (Bamford, 1912) (additional source)
Apiactis Beneden, 1897 (additional source)
Apiactis denticulata Beneden, 1897 (additional source)
Apiactis obconica McMurrich, 1910 accepted as Isapiactis obconica (McMurrich, 1910) (new combination reference)
Arachnactis Sars, 1846 (additional source)
Arachnactis albida Sars, 1846 (additional source)
Arachnactis brachiolata A. Agassiz, 1863 accepted as Synarachnactis brachiolata (A. Agassiz, 1863) (new combination reference)
Arachnactis lobiancoi Carlgren, 1912 accepted as Isarachnactis lobiancoi (Carlgren, 1912) (new combination reference)
Arachnactis sibogae McMurrich, 1910 (additional source)
Arachnactis valdiviae Carlgren, 1924 (original description)
Calpanthula Van Beneden, 1897 (additional source)
Calpanthula guinensis Van Beneden, 1897 (additional source)
Cerianthula Beneden, 1897 (additional source)
Cerianthula braemi Carlgren, 1924 (original description)
Cerianthula canariensis Carlgren, 1924 (original description)
Cerianthula mediterranea Beneden, 1897 (additional source)
Cerianthula melo (Van Beneden, 1897) (additional source)
Cerianthula michaelsarsi Carlgren, 1924 (original description)
Cerianthula spinifer (van Beneden, 1897) (additional source)
Dactylactis Van Beneden, 1897 (additional source)
Dactylactis armata Van Beneden, 1897 (additional source)
Dactylactis benedeni Gravier, 1904 (additional source)
Dactylactis cerfensis Bamford, 1912 accepted as Paradactylactis cerfensis (Bamford, 1912) (new combination reference)
Dactylactis digitata Van Beneden, 1897 (additional source)
Dactylactis discors Senna, 1907 accepted as Isodactylactis discors (Senna, 1907) (new combination reference)
Dactylactis elegans van Beneden, 1897 accepted as Isodactylactis elegans (van Beneden, 1897) (new combination reference)
Dactylactis inermis van Beneden, 1897 accepted as Syndactylactis inermis (van Beneden, 1897) (new combination reference)
Dactylactis malayensis McMurrich, 1910 (additional source)
Dactylactis mammillata Senna, 1907 accepted as Syndactylactis mammillata (Senna, 1907) (new combination reference)
Dactylactis praecox Senna, 1907 accepted as Isodactylactis praecox (Senna, 1907) (new combination reference)
Dactylactis tardiva Senna, 1907 accepted as Isodactylactis tardiva (Senna, 1907) (new combination reference)
Dactylactis viridis Verrill, 1898 (additional source)
Dactylominyas coerulea (Lesson, 1830) accepted as Actinecta coerulea (Lesson, 1830) (additional source)
Hensenanthula van Beneden, 1897 (additional source)
Hensenanthula dactylifera Van Beneden, 1897 (additional source)
Hensenanthula melo van Beneden, 1897 accepted as Cerianthula melo (Van Beneden, 1897) (new combination reference)
Hensenanthula spinifer van Beneden, 1897 accepted as Cerianthula spinifer (van Beneden, 1897) (new combination reference)
Isapiactis Carlgren, 1924 (original description)
Isapiactis obconica (McMurrich, 1910) (additional source)
Isarachnactis Carlgren, 1924 (original description)
Isarachnactis lobiancoi (Carlgren, 1912) (additional source)
Isarachnactis longipes Carlgren, 1924 (original description)
Isodactylactis Carlgren, 1924 (original description)
Isodactylactis discors (Senna, 1907) (additional source)
Isodactylactis elegans (van Beneden, 1897) (additional source)
Isodactylactis praecox (Senna, 1907) (additional source)
Isodactylactis tardiva (Senna, 1907) (additional source)
Minyas (Phyllominyas) ultramarina (Lesueur, 1817) accepted as Actinecta ultramarina (Péron & Le Sueur in Le Sueur, 1817) (additional source)
Minyas torpedo Bell, 1886 accepted as Actinecta torpedo (Bell, 1886) (additional source)
Nautactis purpurea Moseley, 1877 (additional source)
Oceanactis rhododactyla accepted as Oceanactis rhodactylus Moseley, 1877 (additional source)
Ovactis Van Beneden, 1897 (additional source)
Ovactis aequatorialis Van Beneden, 1897 (additional source)
Ovactis bermudensis Van Beneden, 1897 (additional source)
Ovactis brasiliensis Van Beneden, 1897 (additional source)
Ovactis superficialis Bamford, 1912 accepted as Anactinia superficialis (Bamford, 1912) (new combination reference)
Ovactis wilsoni Van Beneden, 1897 (additional source)
Paleozoanthus Carlgren, 1924 (original description)
Paleozoanthus reticulatus Carlgren, 1924 (original description)
Paradactylactis Carlgren, 1924 (original description)
Paradactylactis cerfensis (Bamford, 1912) (additional source)
Paranactinia Carlgren, 1924 (original description)
Paranactinia pilula (McMurrich, 1910) (additional source)
Peponactis Van Beneden, 1897 (additional source)
Peponactis aequatorialis Van Beneden, 1897 (additional source)
Solasteractis Van Beneden, 1897 (additional source)
Solasteractis macropoda Van Beneden, 1897 (additional source)
Stichophora brandtii (additional source)
Stomphia flava (Péron & Le Sueur in Le Sueur, 1817) accepted as Actinecta flava (Péron & Le Sueur in Le Sueur, 1817) (additional source)
Synarachnactis Carlgren, 1924 (original description)
Synarachnactis africana Carlgren, 1924 (original description)
Synarachnactis bournei (Fowler, 1897) accepted as Cerianthus lloydii Gosse, 1859 accepted as Synarachnactis lloydii (Gosse, 1859) (additional source)
Synarachnactis brachiolata (A. Agassiz, 1863) (additional source)
Synarachnactis membranacea (Gmelin, 1791) accepted as Cerianthus membranaceus (Gmelin, 1791) (additional source)
Syndactylactis Carlgren, 1924 (original description)
Syndactylactis chuni Carlgren, 1924 (original description)
Syndactylactis inermis (van Beneden, 1897) (additional source)
Syndactylactis mammillata (Senna, 1907) (additional source)

Andaman Sea for Arachnactis valdiviae Carlgren, 1924 
Canary Islands part of the North Atlantic Ocean for Cerianthula canariensis Carlgren, 1924 
Central Atlantic Ocean for Cerianthula braemi Carlgren, 1924 
Central Atlantic Ocean for Cerianthula braemi Carlgren, 1924 
Central Atlantic Ocean for Cerianthula braemi Carlgren, 1924 
Central Atlantic Ocean for Cerianthula braemi Carlgren, 1924 
Central Atlantic Ocean for Cerianthula braemi Carlgren, 1924 
Central Atlantic Ocean for Cerianthula braemi Carlgren, 1924 
Gabonese Exclusive Economic Zone for Cerianthula braemi Carlgren, 1924 
Gabonese Exclusive Economic Zone for Syndactylactis chuni Carlgren, 1924 
Gabonese Exclusive Economic Zone for Syndactylactis chuni Carlgren, 1924 
Gibraltarian part of the Strait of Gibraltar for Isarachnactis longipes Carlgren, 1924 
Gibraltarian part of the Strait of Gibraltar for Isarachnactis longipes Carlgren, 1924 
Gulf of Guinea for Syndactylactis chuni Carlgren, 1924 
Gulf of Guinea for Syndactylactis chuni Carlgren, 1924 
Gulf of Guinea for Syndactylactis chuni Carlgren, 1924 
High Seas for Anactinia pelagica Annandale, 1909 
High Seas for Anactinia pelagica Annandale, 1909 
High Seas for Anactinia pelagica Annandale, 1909 
High Seas for Anactinia pelagica Annandale, 1909 
High Seas for Anactinia pelagica Annandale, 1909 
High Seas for Anactinia pelagica Annandale, 1909 
High Seas for Anactinia pelagica Annandale, 1909 
High Seas for Anactinia pelagica Annandale, 1909 
High Seas for Calpanthula guinensis Van Beneden, 1897 
High Seas for Cerianthula braemi Carlgren, 1924 
High Seas for Cerianthula braemi Carlgren, 1924 
High Seas for Cerianthula braemi Carlgren, 1924 
High Seas for Cerianthula michaelsarsi Carlgren, 1924 
High Seas for Ovactis brasiliensis Van Beneden, 1897 
High Seas for Syndactylactis chuni Carlgren, 1924 
Indonesian Exclusive Economic Zone for Arachnactis valdiviae Carlgren, 1924 
Madagascan Exclusive Economic Zone for Anactinia pelagica Annandale, 1909 
North Atlantic for Cerianthula michaelsarsi Carlgren, 1924 
Sao Tome and Principe Exclusive Economic Zone for Ovactis brasiliensis Van Beneden, 1897 
Sierra Leonian Exclusive Economic Zone for Cerianthula braemi Carlgren, 1924 
Sierra Leonian Exclusive Economic Zone for Cerianthula braemi Carlgren, 1924 
Somali Exclusive Economic Zone for Synarachnactis africana Carlgren, 1924 
South African Exclusive Economic Zone for Anactinia pelagica Annandale, 1909 
South African Exclusive Economic Zone for Anactinia pelagica Annandale, 1909 
South African Exclusive Economic Zone for Anactinia pelagica Annandale, 1909 
South African Exclusive Economic Zone for Paleozoanthus reticulatus Carlgren, 1924 
Spanish Exclusive Economic Zone for Cerianthula canariensis Carlgren, 1924 
Spanish Exclusive Economic Zone for Cerianthula mediterranea Beneden, 1897 
Spanish Exclusive Economic Zone for Isarachnactis longipes Carlgren, 1924 
Spanish Exclusive Economic Zone for Isarachnactis longipes Carlgren, 1924 
United Kingdom Exclusive Economic Zone for Arachnactis albida Sars, 1846 
United Kingdom Exclusive Economic Zone for Arachnactis albida Sars, 1846 
United Kingdom Exclusive Economic Zone for Arachnactis albida Sars, 1846 
West Indian Ocean for Synarachnactis africana Carlgren, 1924