Classification of Blake 2013
Subph. Asterozoa von Zittel 1895
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Cl. Asteroidea de Blainville 1830 [sea star]
Cl. †Somasteroidea Spencer 1951
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G. †Archegonaster Jaekel 1923
G. †Catervaparmaster Blake 2000
G. †Chinianaster Thoral 1935
G. †Ophioxenikos Blake and Guensburg 1993
G. †Thoralaster Dean Shackleton 2005
G. †Villebrunaster Spencer 1951
Cl. †Stenuroidea Spencer 1951
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G. †Acinetaster Kesling 1982
G. †Echinasterella Stürtz 1890
G. †Hystragaster Lehmann 1957
G. †Jaekelaster Stürtz 1899
G. †Palasteriscus Stürtz 1886
G. †Ptilonaster Hall 1868
G. †Stuertzaster Etheridge 1899