• Abyssaster diadematus (Sladen, 1883)
• Abyssaster planus (Sladen, 1883)
• Abyssaster tara (Wood-Mason & Alcock, 1891)
• Acantharchaster aciculosus Fisher, 1910 accepted as Nearchaster (Nearchaster) aciculosus (Fisher, 1910)
• Acantharchaster dawsoni (Verrill, 1880) accepted as Cheiraster (Luidiaster) dawsoni (Verrill, 1880)
• Acantharchaster intermedius Fisher, 1910 accepted as Myonotus intermedius (Fisher, 1910)
• Acantharchaster pedicellaris Fisher, 1910 accepted as Nearchaster (Nearchaster) pedicellaris (Fisher, 1910)
• Acantharchaster variabilis Fisher, 1910 accepted as Nearchaster (Nearchaster) variabilis (Fisher, 1910)
• Acantharchaster variabilis pedicellaris Fisher, 1910 accepted as Acantharchaster pedicellaris Fisher, 1910 accepted as Nearchaster (Nearchaster) pedicellaris (Fisher, 1910)
• Acontiaster bandanus Döderlein, 1921
• Advenaster inermis Hess, 1955 †
• Albatrossaster nudus Ludwig, 1907 (uncertain > nomen dubium)
• Albatrossaster richardi Koehler, 1909 accepted as Porcellanaster ceruleus Wyville Thomson, 1878
• Albatrossaster semimarginalis Ludwig, 1905 accepted as Porcellanaster ceruleus Wyville Thomson, 1878
• Albatrossia nuda (Ludwig, 1907) accepted as Porcellanaster Wyville Thomson, 1878
• Albatrossia semimarginalis Ludwig, 1905 accepted as Porcellanaster ceruleus Wyville Thomson, 1878
• Aldebarania arenitea Blake & Sturgeon, 1995 †
• Aldebarania taberna Blake & Jagt, 2005 †
• Alkaidia megaungula Ewin & Gale, 2020 †
• Alkaidia sumralli Blake & Reid, 1998 †
• Anodiscus crispatus (Bruzelius, 1805) accepted as Ctenodiscus crispatus (Bruzelius, 1805)
• Anthosticte aulophora Fisher, 1911 accepted as Tethyaster aulophora (Fisher, 1911)
• Anthosticte pacei Mortensen, 1925 accepted as Tethyaster pacei (Mortensen, 1925)
• Aphroditaster gracilis Sladen, 1889 accepted as Pseudarchaster gracilis (Sladen, 1889)
• Aphroditaster microceramus Fisher, 1913 accepted as Pseudarchaster microceramus (Fisher, 1913)
• Archastropecten carroni (de Loriol, 1894) †
• Archastropecten carthusiae (Herenger, 1943) †
• Archastropecten clavaeformis (Wright, 1863) †
• Archastropecten cotteswoldiae (Buckman, 1845) †
• Archastropecten cotteswoldiae var. stamfordensis (Wright, 1862) †
• Archastropecten cotteswoldiae var. stonesfieldensis (Wright, 1862) †
• Archastropecten crispatus (Forbes, 1848) †
• Archastropecten desori (de Loriol, 1873) †
• Archastropecten elegans (Fraas, 1885-1886) †
• Archastropecten gataui (de Loriol, 1887) †
• Archastropecten hooperi (Wright, 1880) †
• Archastropecten huxleyi (Wright, 1861) †
• Archastropecten infirmum (Fraas, 1885-1886) †
• Archastropecten leckenbyi (Wright, 1861) †
• Archastropecten lithographicus (Thiolliere, 1857) †
• Archastropecten lorioli (de Loriol & Pellat, 1874) †
• Archastropecten mabillei (de Loriol, 1880) †
• Archastropecten mandelslohi (Munster, 1839) †
• Archastropecten matilijaensis (Durham & Roberts, 1948) †
• Archastropecten obesus Hess, 1955 †
• Archastropecten orion (Forbes, 1848) †
• Archastropecten pewei (Miller & Unklesbay, 1943) †
• Archastropecten phillipsii (Forbes, 1848) †
• Archastropecten portlandicus Hess, 1955 †
• Archastropecten priscus (Goldfuss, 1833) †
• Archastropecten rectus (McCoy, 1848) †
• Archastropecten rupellensis (d'Orbigny, 1850) †
• Archastropecten scarburgensis (Wright, 1863) †
• Archastropecten suprajurensis (Schilling, 1870) †
• Archastropecten wilckensis (de Loriol, 1905) †
• Archastropecten wittsii (Wright, 1862) †
• Archastropecten woltersdorfi Hess, 1955 †
• Arthaster spenceri Mercier, 1935 †
• Astrella simplex Perrier in Milne-Edwards, 1882 accepted as Luidia sarsi Düben & Koren in Düben, 1844 accepted as Luidia sarsii Düben & Koren in Düben, 1844
• Astrocratis acutispina Blake & Sprinkle, 1996 †
• Astromesites compactus Fisher, 1913
• Astromesites primigenius (Mortensen, 1925)
• Astromesites regis H.E.S Clark & D.G. McKnight, 2000
• Astropecten (Astropus) longipes Gray, 1840 accepted as Archaster lorioli Sukarno & Jangoux, 1977
• Astropecten acanthifer Fisher, 1913 (uncertain > nomen dubium)
• Astropecten acanthifer Sladen, 1883
• Astropecten acanthifer phragmorus Fisher, 1913 accepted as Astropecten phragmorus Fisher, 1913 accepted as Astropecten polyacanthus phragmorus Fisher, 1913
• Astropecten acanthifera Sladen, 1883 accepted as Astropecten acanthifer Sladen, 1883
• Astropecten acicularis Norman, 1865 accepted as Astropecten irregularis (Pennant, 1777)
• Astropecten acutiradiatus Tortonese, 1956
• Astropecten africanus Koehler, 1911
• Astropecten alatus Perrier, 1875
• Astropecten albanicus Döderlein, 1917 accepted as Astropecten preissi albanicus Döderlein, 1917
• Astropecten alligator Perrier, 1881
• Astropecten ambiguus Madsen, 1950 accepted as Astropecten michaelseni var. ambiguus Madsen, 1950
• Astropecten americanus (Verrill, 1880)
• Astropecten americanus var. subgracilis Verrill, 1915
• Astropecten anacanthus H.L. Clark, 1926
• Astropecten andersoni Sladen, 1888
• Astropecten andromeda Müller & Troschel, 1842 accepted as Archaster andromeda (Müller & Troschel, 1842) accepted as Psilaster andromeda (Müller & Troschel, 1842)
• Astropecten antarcticus Studer, 1884 accepted as Astropecten aranciacus (Linnaeus, 1758)
• Astropecten antares Döderlein, 1926 accepted as Astropecten cingulatus Sladen, 1883
• Astropecten antillensis Lütken, 1859
• Astropecten aranciacus (Linnaeus, 1758)
• Astropecten aranciacus gruveli Koehler, 1911 accepted as Astropecten gruveli Koehler, 1911
• Astropecten archimedis Perrier, 1869 accepted as Astropecten spinulosus (Philippi, 1837)
• Astropecten arcticus M. Sars, 1851 accepted as Leptychaster arcticus (M. Sars, 1851)
• Astropecten arenarius Valenciennes (MS) in Perrier, 1875 accepted as Astropecten triseriatus Müller & Troschel, 1843
• Astropecten arenicolus (Goldfuss, 1831) †
• Astropecten armatus Forbes, 1848 †
• Astropecten armatus Gray, 1840
• Astropecten armatus armatus Gray, 1840
• Astropecten armatus erinaceus Gray, 1840
• Astropecten armatus peruvianus Verrill, 1867
• Astropecten articulatus (Say, 1825)
• Astropecten articulatus duplicatus (Gray, 1840) accepted as Astropecten duplicatus Gray, 1840
• Astropecten articulatus var. buschi Müller & Troschel, 1843
• Astropecten aster De Filippi, 1859 accepted as Astropecten jonstoni (Delle Chiaje, 1827)
• Astropecten astropectinides Döderlein, 1917 accepted as Ctenopleura astropectinides Fisher, 1913
• Astropecten aurantiaca Gray, 1840 accepted as Astropecten aranciacus (Linnaeus, 1758)