• Acerominyas viridula (Quoy & Gaimard, 1833) accepted as Actinecta viridula (Quoy & Gaimard, 1833)
• Acontiactis gokhaleae England, 1990
• Acontiophorum bombayense Parulekar, 1968
• Acontiophorum bombayensis Parulekar, 1968 accepted as Acontiophorum bombayense Parulekar, 1968
• Acontiophorum mortenseni Carlgren, 1938
• Acontiophorum niveum Fautin, Eppard & Mead, 1988
• Acraspedanthus elongatus Carlgren, 1924 accepted as Isoparactis ferax (Stuckey, 1909)
• Acraspedanthus ferax (Stuckey, 1909) accepted as Isoparactis ferax (Stuckey, 1909)
• Acremodactyla ambonensis Kwietniewski, 1897 accepted as Actinodendron arboreum (Quoy & Gaimard, 1833)
• Acricoactis brachyacontis Larson, 2016
• Acthelmis intestinalis (Fabricius, 1780)
• Acthelmis schaudinnii Carlgren, 1921 accepted as Haliactis arctica Carlgren, 1921
• Actinactis flosculifera accepted as Actinostella flosculifera (Le Sueur, 1817)
• Actinauge abyssorum (Gravier, 1918) accepted as Actinauge karinae Fautin, 2016
• Actinauge abyssorum Carlgren, 1934
• Actinauge bocki Carlgren, 1943
• Actinauge borealis Verrill, 1922 accepted as Hormathia nodosa (Fabricius, 1780)
• Actinauge chilensis Carlgren, 1959
• Actinauge consors Verrill, 1882 accepted as Paracalliactis consors (Verrill, 1882)
• Actinauge crassa (uncertain > nomen dubium)
• Actinauge cristata Riemann-Zürneck, 1986
• Actinauge fastigata McMurrich, 1983 accepted as Chondrophellia coronata (Verrill, 1883)
• Actinauge fastigiata accepted as Chondrophellia coronata (Verrill, 1883)
• Actinauge granulata Carlgren, 1928
• Actinauge karinae Fautin, 2016
• Actinauge longicornis (Verrill, 1882)
• Actinauge longicornis var. caribaea Verrill, 1883 accepted as Actinauge longicornis (Verrill, 1882)
• Actinauge nexilis Verrill, 1883 accepted as Stephanauge nexilis (Verrill, 1883)
• Actinauge nodosa Fabricius, 1780 accepted as Hormathia nodosa (Fabricius, 1780)
• Actinauge nodosa var. coronata Verrill, 1883 accepted as Chondrophellia coronata (Verrill, 1883)
• Actinauge nodosa var. tuberculosa Verrill, 1883 accepted as Actinauge verrillii McMurrich, 1893
• Actinauge ricardi accepted as Actinauge richardi (Marion, 1906)
• Actinauge richardi (Marion, 1906)
• Actinauge rugosa Verrill, 1922 accepted as Hormathia nodosa (Fabricius, 1780)
• Actinauge verrilli McMurrich, 1893 accepted as Actinauge verrillii McMurrich, 1893
• Actinauge verrillii McMurrich, 1893
• Actinea alba accepted as Sagartia alba (Cocks in Johnston, 1847) accepted as Cylista alba (Cocks in Johnston, 1847)
• Actinea alderi Cocks, 1851 accepted as Actinothoe alderi (Cocks, 1851)
• Actinea anguicoma accepted as Actinothoe anguicoma (Price in Johnston, 1847)
• Actinea balii Cocks, 1851 accepted as Anthopleura ballii (Cocks, 1851)
• Actinea ballii accepted as Anthopleura ballii (Cocks, 1851)
• Actinea bellii (Cocks, 1851) accepted as Actinothoe bellii (Cocks, 1851)
• Actinea bellis (Pennant, 1777) accepted as Cereus pedunculatus (Pennant, 1777)
• Actinea biserialis accepted as Aiptasia mutabilis (Gravenhorst, 1831)
• Actinea chiococca accepted as Actinia equina (Linnaeus, 1758)
• Actinea chrysanthellum accepted as Halcampa chrysanthellum (Peach in Johnston, 1847)
• Actinea chrysosplenum accepted as Chrysoela chrysosplenium (Cocks in Johnson, 1847)
• Actinea chrysosplinum accepted as Chrysoela chrysosplenium (Cocks in Johnson, 1847)
• Actinea coriacea accepted as Urticina felina (Linnaeus, 1761)
• Actinea crassicornis accepted as Hormathia digitata (O.F. Müller, 1776)
• Actinea crassicornis accepted as Urticina felina (Linnaeus, 1761)
• Actinea dianthus accepted as Metridium senile (Linnaeus, 1761)
• Actinea gemmacea accepted as Aulactinia verrucosa (Pennant, 1777) accepted as Bunodactis verrucosa (Pennant, 1777)
• Actinea johstoni accepted as Cereus pedunculatus (Pennant, 1777)
• Actinea margaritifera accepted as Actinia equina (Linnaeus, 1758)
• Actinea mesembryanthemum accepted as Actinia equina (Linnaeus, 1758)
• Actinea monile accepted as Anthopleura monile (Templeton, 1836)
• Actinea parasitica accepted as Calliactis parasitica (Couch, 1842)
• Actinea pelucida Cocks, 1851 accepted as Actinothoe pellucida (Cocks, 1851)
• Actinea templetonii accepted as Cereus pedunculatus (Pennant, 1777)
• Actinea troglodytes accepted as Sagartia troglodytes (Price in Johnston, 1847) accepted as Cylista troglodytes (Price in Johnston, 1847)
• Actinea tuberculata accepted as Urticina tuberculata (Cocks, 1851)
• Actinea viduata accepted as Sagartiogeton viduatus (Müller, 1776) accepted as Sagartia (Cylista) viduata (Müller, 1776)
• Actinea yarrellii (unaccepted)
• Actinecta coerulea (Lesson, 1830)
• Actinecta cyanea (Brandt, 1835)
• Actinecta flava (Péron & Le Sueur in Le Sueur, 1817)
• Actinecta olivacea (Le Sueur, 1817)
• Actinecta torpedo (Bell, 1886)
• Actinecta tuberculosa Quoy & Gaimard, 1833 accepted as Phlyctenactis tuberculosa (Quoy & Gaimard, 1833)
• Actinecta ultramarina (Péron & Le Sueur in Le Sueur, 1817)
• Actinecta viridula (Quoy & Gaimard, 1833)
• Actineria dendrophora Haddon & Shackleton, 1893
• Actineria hemprichi Ehrenberg accepted as Megalactis hemprichii Ehrenberg, 1834
• Actineria villosa Quoy & Gaimard in de Blainville, 1830
• Actinia (Acthelmis) intestinalis Fabricius, 1780 accepted as Acthelmis intestinalis (Fabricius, 1780)
• Actinia (Actinoloba) dianthus Ellis, 1768 represented as Actinia dianthus Ellis, 1768 accepted as Metridium dianthus (Ellis, 1768)
• Actinia (Chondractinia) digitata Müller, 1776 accepted as Hormathia digitata (O.F. Müller, 1776)
• Actinia (Chondractinia) nodosa Fabricii, 1780 accepted as Hormathia nodosa (Fabricius, 1780)
• Actinia (Diplactis) bermudensis (McMurrich, 1889) represented as Actinia bermudensis (McMurrich, 1889)
• Actinia (Diplostephanus) bicolor Lesson, 1830 accepted as Sagartia lessonii Verrill, 1869 accepted as Cylista lessonii (Verrill, 1869)
• Actinia (Diplostephanus) candida Müller, 1776 accepted as Actinia candida Müller, 1776 accepted as Metridium senile (Linnaeus, 1761)
• Actinia (Diplostephanus) chilensis Lesson, 1830 accepted as Anthothoe chilensis (Lesson, 1830)
• Actinia (Diplostephanus) chlorodactyla Brandt, 1835 accepted as Actinia chlorodactyla Brandt, 1835
• Actinia (Diplostephanus) nivea Lesson, 1830 accepted as Paranthus niveus (Lesson, 1830)
• Actinia (Diplostephanus) nodosa Fabricius, 1780 represented as Actinia nodosa Fabricius, 1780 accepted as Hormathia nodosa (Fabricius, 1780)
• Actinia (Diplostephanus) novaehyberniae Lesson, 1830 accepted as Paractis novaehyberniae (Lesson, 1830)
• Actinia (Diplostephanus) peruviana Lesson, 1830 represented as Actinia peruviana Lesson, 1830 accepted as Paractis peruviana (Lesson, 1830)
• Actinia (Diplostephanus) reclinata Bosc, 1802 accepted as Actinia reclinata Bosc, 1802
• Actinia (Diplostephanus) sanctaecatherinae Lesson, 1830 represented as Actinia sanctaecatherinae Lesson, 1830 accepted as Paractis sanctaecatherinae (Lesson, 1830)
• Actinia (Ectacmaea) candida Müller, 1776 represented as Actinia candida Müller, 1776 accepted as Metridium senile (Linnaeus, 1761)
• Actinia (Ectacmaea) elongata Grube, 1840 accepted as Cerianthus membranaceus (Gmelin, 1791)
• Actinia (Ectacmaea) globulifera Hemprich & Ehrenberg in Ehrenberg, 1834 accepted as Corynactis globulifera (Hemprich & Ehrenberg in Ehrenberg, 1834)
• Actinia (Entacmaea) adhaerens Hemprich & Ehrenberg in Ehrenberg, 1834 accepted as Entacmaea quadricolor (Leuckart in Rüppell & Leuckart, 1828)
• Actinia (Entacmaea) adspersa Gravenhorst, 1831 accepted as Actinia cari Delle Chiaje, 1822
• Actinia (Entacmaea) aurantiaca Delle Chiaje, 1822 accepted as Condylactis aurantiaca (Delle Chiaje, 1825)
• Actinia (Entacmaea) cereus Ellis & Solander, 1786 accepted as Anemonia sulcata (Pennant, 1777)
• Actinia (Entacmaea) chamaeleon Grube, 1840 accepted as Telmatactis forskalii (Hemprich & Ehrenberg in Ehrenberg, 1834)
• Actinia (Entacmaea) crispa Hemprich & Ehrenberg in Ehrenberg, 1834 accepted as Radianthus crispa (Hemprich & Ehrenberg in Ehrenberg, 1834)
• Actinia (Entacmaea) decora Hemprich & Ehrenberg in Ehrenberg, 1834 accepted as Telmatactis decora (Hemprich & Ehrenberg in Ehrenberg, 1834)