Classification of Dean Shackleton 2005

G. †Archophiactis Spencer 1927
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†Arcophiactis grayae Spencer 1927
Subph. Asterozoa von Zittel 1895
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Cl. Asteroidea de Blainville 1830 [sea star]
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Fm. †Hudsonasteridae Schuchert 1914
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G. †Girvanaster Spencer 1916
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†Girvanaster sculptus Spencer 1916
G. †Hudsonaster Stürtz 1899
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†Hudsonaster narrawayi Hudson 1912
†Hudsonaster ordovicus Spencer 1916
Invalid names: Belaster Spencer 1916 [synonym], Macroporaster Raymond 1921 [synonym], Mesopalaeaster Schuchert 1914 [synonym], Protopalaeaster Hudson 1912 [synonym]
G. †Siluraster Jaekel 1903
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†Siluraster perfectus Jaekel 1903
Invalid names: Caractacaster Spencer 1916 [synonym]
Fm. †Palasteriscidae Gregory 1900
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Subfm. †Urasterellinae Schuchert 1914
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G. †Cnemidactis Spencer 1918
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†Cnemidactis girvanensis Schuchert 1914
G. †Schuchertia Gregory 1899
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†Schuchertia stellata Billings 1857
G. †Urasterella McCoy 1851
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†Urasterella asperrimus Salter 1857
Invalid names: Phillipaster Spencer 1950 [synonym], Salteraster Stürtz 1893 [synonym], Ulrichaster Spencer 1950 [synonym]
Invalid names: Palasteriscinae Dean Shackleton 2005 [empty]
G. †Petraster Billings 1858
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†Petraster kinahani Baily 1878
Invalid names: Uranaster Gregory 1899 [synonym]
G. †Promopalaeaster Schuchert 1914
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†Promopalaeaster elizae Spencer 1914
Invalid names: Anorthaster Schuchert 1915 [synonym]
Fm. †Protasteridae Miller 1889
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G. †Drepanaster Whidborne 1898
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†Drepanaster grayae Spencer 1934
G. †Furcaster Stürtz 1886
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†Furcaster trepidans Spencer 1925
G. †Hypophiura Jaekel 1923
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†Hypophiura grayae Dean Shackleton 2005
G. †Lapworthura Gregory 1897
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†Lapworthura miltoni Salter 1857
G. †Protaster Forbes 1849
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†Protaster groomi Spencer and Groom 1934
Invalid names: Bohemura Jaekel 1903 [synonym], Taeniaster Billings 1858 [synonym], Urosoma Spencer 1930 [synonym]
G. †Stibaraster Blake and Guensburg 1993
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†Stibaraster ratcliffei Blake and Guensburg 1993
Cl. Ophiuroidea Gray 1840 [brittle star]
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Fm. †Encrinasteridae Schuchert 1914
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G. †Encrinaster Haekel 1866
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†Encrinaster grayae Spencer 1914
G. †Euzonosoma Spencer 1930
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†Euzonosoma orbitoides Spencer 1930
G. †Mastigactis Spencer 1930
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†Mastigactis aranea Ruedemann 1916
Fm. †Eophiuridae Schöndorf 1910
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G. †Eophiura Jaekel 1903
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†Eophiura bohemica Schuchert 1915
G. †Palaeura Jaekel 1903
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†Palaeura neglecta Schuchert 1915
G. †Pradesura Spencer 1951
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†Pradesura jacobi Thoral 1935
Fm. †Stenasteridae Schuchert 1914
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G. †Aulactis Spencer 1930
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†Aulactis orthopeda Spencer 1930
G. †Stenaster Billings 1858
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†Stenaster obtusus Forbes 1848
G. †Phragmactis Spencer 1940
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†Phragmactis grayae Spencer 1940
Or. †Somasteroida Spencer 1951
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Fm. †Chinianasteridae Spencer 1951
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G. †Chinianaster Thoral 1935
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†Chinianaster levyi Thoral 1935
G. †Ophioxenikos Blake and Guensburg 1993
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†Ophioxenikos langenheimi Blake and Guensburg 1993
G. †Thoralaster Dean Shackleton 2005
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†Thoralaster spiculiformis Dean Shackleton 2005
G. †Villebrunaster Spencer 1951
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†Villebrunaster thorali Spencer 1951
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Invalid names: Ampullaster ubaghsi Fell 1963 [synonym]
Invalid names: Ampullaster Fell 1963 [synonym]
Invalid names: Villebrunasteridae Fell 1963 [synonym]
Invalid names: Archegonasteridae Spencer 1951 [empty]
Invalid names: Eopentaroida Dean Shackleton 2005 [empty]