RAMS Taxon list
Abatus Troschel, 1851
Abatus (Pseudabatus) Koehler, 1911
Abatus (Pseudabatus) nimrodi (Koehler, 1911)
Abatus agassizii Mortensen, 1910
Abatus beatriceae (Larrain, 1986)
Abatus bidens Mortensen, 1910 accepted as Abatus cavernosus bidens Mortensen, 1910
Abatus cavernosus (Philippi, 1845)
Abatus cavernosus bidens Mortensen, 1910
Abatus cordatus (Verrill, 1876)
Abatus curvidens Mortensen, 1936
Abatus elongatus (Koehler, 1908) accepted as Abatus koehleri (Thiéry, 1909)
Abatus ingens Koehler, 1926
Abatus koehleri (Thiéry, 1909)
Abatus nimrodi (Koehler, 1911) accepted as Pseudabatus nimrodi Koehler, 1911 accepted as Abatus (Pseudabatus) nimrodi (Koehler, 1911)
Abatus philippi Lovén, 1871 accepted as Abatus philippii Lovén, 1871
Abatus philippii Lovén, 1871
Abatus shackletoni Koehler, 1911
Abyssaster Madsen, 1961
Abyssaster diadematus (Sladen, 1883)
Abyssaster planus (Sladen, 1883)
Abyssocucumis Heding, 1942
Abyssocucumis abyssorum (Théel, 1886)
Abyssocucumis liouvillei (Vaney, 1914) Gutt, 1988 accepted as Staurocucumis liouvillei (Vaney, 1914) Ekman, 1927
Abyssocucumis tourqueti (Vaney, 1906) accepted as Staurocucumis turqueti (Vaney, 1906)
Achiridota H.L. Clark, 1908
Achlyonice Théel, 1879
Achlyonice violaecuspidata Gutt, 1990 accepted as Rhipidothuria racovitzai Hérouard, 1901
Acodontaster Verrill, 1899
Acodontaster abbreviatus Koehler, 1923 accepted as Acodontaster conspicuus (Koehler, 1920)
Acodontaster capitatus (Koehler, 1912)
Acodontaster conspicuus (Koehler, 1920)
Acodontaster cremeus (Ludwig, 1903) accepted as Acodontaster elongatus (Sladen, 1889)
Acodontaster elongatus (Sladen, 1889)
Acodontaster elongatus elongatus (Sladen, 1889)
Acodontaster elongatus f. capitatus (Koehler, 1912) accepted as Acodontaster capitatus (Koehler, 1912)
Acodontaster elongatus granuliferus (Koehler, 1912)
Acodontaster elongatus var. abbreviatus Koehler, 1923 accepted as Acodontaster abbreviatus Koehler, 1923 accepted as Acodontaster conspicuus (Koehler, 1920)
Acodontaster granuliferus Koehler, 1912 accepted as Acodontaster elongatus granuliferus (Koehler, 1912)
Acodontaster hodgsoni (Bell, 1908)
Acodontaster hodgsoni f. hodgsoni (Bell, 1889)
Acodontaster hodgsoni f. stellatus (Koehler, 1920)
Acodontaster marginatus (Koehler, 1912)
Acodontaster waitei (Koehler, 1920) accepted as Acodontaster conspicuus (Koehler, 1920)
Acroechinoidea (unaccepted )
Actinopoda
Adelasterias Verrill, 1914
Adelasterias papillosa (Koehler, 1906)
Allostichaster Verrill, 1914
Allostichaster capensis (Perrier, 1875)
Allostichaster farquhari McKnight, 2006
Allostichaster insignis (Farquhar, 1895)
Allostichaster polyplax (Müller & Troschel, 1844)
Ambuloasteroidea
Amperima Pawson, 1965
Amperima velacula Agatep, 1967
Amphiactis Matsumoto, 1915, non Verrill, 1869 accepted as Histampica A.M. Clark, 1970
Amphiactis proposita (Koehler, 1922) accepted as Amphiura proposita Koehler, 1922
Amphilepidida
Amphilepididae Matsumoto, 1915
Amphilepis Ljungman, 1867
Amphilepis gymnopora Hertz, 1927 accepted as Amphiura belgicae Koehler, 1900
Amphiodia Verrill, 1899
Amphiodia affinis (Studer, 1885) accepted as Amphioplus affinis (Studer, 1885)
Amphiodia dalea (Lyman, 1879) accepted as Amphioplus daleus (Lyman, 1879) represented as Amphioplus (Unioplus) daleus (Lyman, 1879) accepted as Silax daleus (Lyman, 1879)
Amphiodia destinata Koehler, 1922 accepted as Amphiura joubini Koehler, 1912
Amphiophiura Matsumoto, 1915
Amphiophiura antarctica Koehler, 1923
Amphiophiura banzarei (Madsen, 1967) accepted as Ophioplinthus banzarei (Madsen, 1967)
Amphiophiura brevispina (E. A. Smith, 1876) accepted as Ophiuroglypha brevispina (E. A. Smith, 1876) accepted as Ophiuroglypha brevispinosa (H.L. Clark, 1915)
Amphiophiura gibbosa Mortensen, 1936
Amphiophiura inops (Koehler, 1907)
Amphiophiura relegata Koehler, 1922 accepted as Ophioplinthus relegata (Koehler, 1922)
Amphiophiura rowetti G.A. Smith, 1923
Amphioplus Verrill, 1899
Amphioplus (Unioplus) Fell, 1962
Amphioplus (Unioplus) daleus (Lyman, 1879) accepted as Silax daleus (Lyman, 1879)
Amphioplus acutus Mortensen, 1936 accepted as Amphiura acuta (Mortensen, 1936)
Amphioplus affinis (Studer, 1885)
Amphioplus daleus (Lyman, 1879) represented as Amphioplus (Unioplus) daleus (Lyman, 1879) accepted as Silax daleus (Lyman, 1879)
Amphioplus peregrinator (Koehler, 1912)
Amphipneustes Koehler, 1900
Amphipneustes bifidus Mortensen, 1950
Amphipneustes brevisternalis (Koehler, 1926)
Amphipneustes davidi Madon-Senez, 2002
Amphipneustes koehleri Mortensen, 1905
Amphipneustes lorioli Koehler, 1901
Amphipneustes marsupialis (Koehler, 1926)
Amphipneustes mironovi Markov, 1991
Amphipneustes rostratus (Koehler, 1926)
Amphipneustes similis Mortensen, 1936
Amphiura Forbes, 1843
Amphiura (Amphiura) Forbes, 1843
Amphiura (Amphiura) angularis Lyman, 1879
Amphiura (Amphiura) atlantica Ljungman, 1867
Amphiura (Amphiura) lymani Studer, 1885
Amphiura (Amphiura) magellanica Ljungman, 1867
Amphiura acuta (Mortensen, 1936)
Amphiura algida Koehler, 1911
Amphiura alternans Koehler, 1923 accepted as Amphiura belgicae Koehler, 1900
Amphiura angularis Lyman, 1879 represented as Amphiura (Amphiura) angularis Lyman, 1879