Classification of Blake et al. 2017

Cl. Asteroidea de Blainville 1830 [sea star]
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Subcl. Ambuloasteroidea Blake and Hagdorn 2003
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Infracl. Neoasteroidea Gale 1987
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Superor. Forcipulatacea Blake 1987
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Or. †Trichasteropsida Blake 1987
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Fm. †Trichasteropsiidae Blake and Hagdorn 2003
Superor. Valvatacea McKnight 1975
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Or. Valvatida Perrier 1884
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Fm. Poraniidae Perrier 1893
G. †Trichasteropsis Eck 1879
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†Trichasteropsis weissmanni von Münster 1843