• Acrocnida brachiata (Montagu, 1804)
• Acrocnida semisquamata (Koehler, 1914)
• Acrocnida spatulispina Stöhr & Muths, 2010
• Albatrossaster richardi Koehler, 1909 accepted as Porcellanaster ceruleus Wyville Thomson, 1878
• Albatrossia semimarginalis Ludwig, 1905 accepted as Porcellanaster ceruleus Wyville Thomson, 1878
• Allopatiria ocellifera (Gray, 1847) accepted as Asterina ocellifera (Gray, 1847) accepted as Patiria ocellifera Gray, 1847
• Amphilepis ingolfiana Mortensen, 1933
• Amphilepis norvegica (Ljungman, 1865)
• Amphiocnida brachiata (Montagu, 1804) accepted as Acrocnida brachiata (Montagu, 1804)
• Amphiophiura bullata (Thomson, 1877)
• Amphiophiura bullata bullata (Thomson, 1877) accepted as Amphiophiura bullata (Thomson, 1877)
• Amphiophiura bullata convexa (Lyman, 1878) accepted as Amphiophiura convexa (Lyman, 1878)
• Amphiophiura bullata vitjazi Litvinova, 1971
• Amphiophiura convexa (Lyman, 1878)
• Amphiophiura saurura (Verrill, 1894) accepted as Ophiura saurura (Verrill, 1894)
• Amphiophiura vitjazi Litvinova, 1971 accepted as Amphiophiura bullata vitjazi Litvinova, 1971
• Amphioplus (Amphichilus) daleus (Lyman, 1882) accepted as Silax daleus (Lyman, 1879)
• Amphioplus (Amphioplus) abditus (Verrill, 1871)
• Amphioplus (Unioplus) daleus (Lyman, 1879) accepted as Silax daleus (Lyman, 1879)
• Amphioplus daleus (Lyman, 1879) represented as Amphioplus (Unioplus) daleus (Lyman, 1879) accepted as Silax daleus (Lyman, 1879)
• Amphioplus verrilli (Lyman, 1879) accepted as Silax verrilli (Lyman, 1879)
• Amphipholis abdita Verrill, 1871 accepted as Amphioplus (Amphioplus) abditus (Verrill, 1871)
• Amphipholis instructa Koehler, 1906 accepted as Ophiostigma abnorme (Lyman, 1878)
• Amphipholis lineata Ljungman, 1872 accepted as Amphipholis squamata (Delle Chiaje, 1828)
• Amphipholis murmanica Djakonov, 1929
• Amphipholis squamata (Delle Chiaje, 1828)
• Amphipholis tenera (Lütken, 1856) accepted as Amphipholis squamata (Delle Chiaje, 1828)
• Amphipholis tenuispina (Ljungman, 1865) accepted as Amphipholis squamata (Delle Chiaje, 1828)
• Amphipholis torelli Ljungman, 1872
• Amphiura (Acrocnida) brachiata (Montagu, 1804) accepted as Acrocnida brachiata (Montagu, 1804)
• Amphiura (Acrocnida) semisquamata (Koehler, 1914) accepted as Acrocnida semisquamata (Koehler, 1914)
• Amphiura (Amphiura) grandisquama Lyman, 1869
• Amphiura (Amphiura) incana Lyman, 1879
• Amphiura (Ophiopeltis) securigera (Düben & Koren, 1846)
• Amphiura abyssicola M. Sars, 1861 accepted as Ophiactis abyssicola (M. Sars, 1861)
• Amphiura abyssorum Norman in Jeffreys, 1876
• Amphiura apicula Cherbonnier, 1957 accepted as Amphiura (Amphiura) grandisquama Lyman, 1869
• Amphiura bellis Lyman, 1879
• Amphiura bellis var. tritonis Hoyle, 1884 accepted as Amphiura tritonis Hoyle, 1884
• Amphiura borealis (G.O. Sars, 1872)
• Amphiura brachiata (Montagu, 1804) accepted as Acrocnida brachiata (Montagu, 1804)
• Amphiura canadensis Verrill, 1899
• Amphiura cherbonnieri Guille, 1972
• Amphiura chiajei Forbes, 1843
• Amphiura dalea Lyman, 1879 accepted as Amphioplus daleus (Lyman, 1879) represented as Amphioplus (Unioplus) daleus (Lyman, 1879) accepted as Silax daleus (Lyman, 1879)
• Amphiura delamarei Cherbonnier, 1958
• Amphiura denticulata Koehler, 1896 accepted as Amphiura fragilis Verrill, 1885
• Amphiura digna Koehler, 1906 accepted as Amphiura abyssorum Norman in Jeffreys, 1876
• Amphiura elegans (Leach, 1815) accepted as Amphipholis squamata (Delle Chiaje, 1828)
• Amphiura exigua Verrill, 1899
• Amphiura filiformis (O.F. Müller, 1776)
• Amphiura fragilis Verrill, 1885
• Amphiura grandis Koehler, 1896 accepted as Amphiura otteri Ljungman, 1872
• Amphiura griegi Mortensen, 1920
• Amphiura incana Lyman, 1879 represented as Amphiura (Amphiura) incana Lyman, 1879
• Amphiura iris Lyman, 1879 accepted as Amphiura (Amphiura) grandisquama Lyman, 1869
• Amphiura josephinae Ljungman, 1872 accepted as Amphiura (Amphiura) grandisquama Lyman, 1869
• Amphiura lacazei Guille, 1976
• Amphiura longispina Koehler, 1896 accepted as Amphiura (Amphiura) grandisquama Lyman, 1869
• Amphiura mediterranea Lyman, 1882
• Amphiura neapolitana M. Sars, 1857 accepted as Acrocnida brachiata (Montagu, 1804)
• Amphiura norvegica Ljungman, 1865 accepted as Amphilepis norvegica (Ljungman, 1865)
• Amphiura otteri Ljungman, 1872
• Amphiura richardi Koehler, 1896
• Amphiura sarsi Ljungman, 1872
• Amphiura securigera (Düben & Koren, 1846) represented as Amphiura (Ophiopeltis) securigera (Düben & Koren, 1846)
• Amphiura senegalensis Madsen, 1970
• Amphiura stepanovi Chernyavskii, 1861 (unaccepted > nomen nudum)
• Amphiura stepanovi Djakonov, 1954
• Amphiura stepanovi Lyman, 1869 accepted as Amphiura stepanovi Djakonov, 1954
• Amphiura sundevalli (Müller & Troschel, 1842)
• Amphiura tritonis Hoyle, 1884
• Amphiura virens M. Sars, 1859 accepted as Ophiactis virens (M. Sars, 1859)
• Anseropoda lobiancoi (Ludwig, 1897)
• Anseropoda placenta (Pennant, 1777)
• Anthophiura ingolfi Fasmer, 1930
• Aphroditaster gracilis Sladen, 1889 accepted as Pseudarchaster gracilis (Sladen, 1889)
• Aquilonastra burtoni (Gray, 1840)
• Aquilonastra cepheus (Muller & Troschel, 1842)
• Archaster andromeda (Müller & Troschel, 1842) accepted as Psilaster andromeda (Müller & Troschel, 1842)
• Archaster bairdi Verrill, 1882 accepted as Mediaster bairdi (Verrill, 1882)
• Archaster bifrons Wyville Thomson, 1873 accepted as Plutonaster bifrons (Wyville Thomson, 1873)
• Archaster christi (Düben & Koren in Düben, 1844) accepted as Psilaster andromeda (Müller & Troschel, 1842)
• Archaster formosus Verrill, 1884 accepted as Paragonaster subtilis (Perrier, 1881)
• Archaster grandis Verrill, 1884 accepted as Dytaster grandis (Verrill, 1884)
• Archaster parelii (Düben & Koren, 1846) accepted as Pseudarchaster parelii (Düben & Koren, 1846)
• Archaster pulcher Perrier, 1881 accepted as Persephonaster pulcher (Perrier, 1881)
• Archaster robustus Verrill, 1884 accepted as Bathybiaster vexillifer (Wyville Thomson, 1873)
• Archaster sepitus Verrill, 1885 accepted as Cheiraster (Cheiraster) sepitus (Verrill, 1885)
• Archaster simplex Perrier, 1881 accepted as Benthopecten simplex (Perrier, 1881)
• Archaster tenuispinus (Düben & Koren, 1846) accepted as Pontaster tenuispinus (Düben & Koren, 1846)
• Archaster vexillifer Wyville Thomson, 1873 accepted as Astropecten vexillifer (Wyville Thomson, 1873) accepted as Bathybiaster vexillifer (Wyville Thomson, 1873)
• Aspidophiura minuta (Lyman, 1878)
• Asteracanthion africanus Müller & Troschel, 1842 accepted as Marthasterias africana (Müller & Troschel, 1842)
• Asteracanthion albulus Stimpson, 1853 accepted as Stephanasterias albula (Stimpson, 1853)
• Asteracanthion groenlandica Steenstrup, 1857 accepted as Leptasterias groenlandica (Steenstrup, 1857)
• Asteracanthion lincki Müller & Troschel, 1842 accepted as Urasterias lincki (Müller & Troschel, 1842)
• Asteracanthion mülleri M. Sars, 1846 accepted as Leptasterias (Leptasterias) muelleri muelleri (M. Sars, 1846)
• Asteracanthion palaeocrystallus (Duncan & Sladen, 1877) accepted as Pedicellaster palaeocrystallus (Duncan & Sladen, 1877) accepted as Pedicellaster typicus M. Sars, 1861
• Asteracanthion polaris Müller & Troschel, 1842 accepted as Leptasterias (Hexasterias) polaris (Müller & Troschel, 1842)