Classification of Spencer 1922
Cl. Asteroidea de Blainville 1830 [sea star]
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G. †Baliactis Spencer 1922
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†Baliactis ordovicus Spencer 1922
†Baliactis wenlockensis Spencer 1922
Fm. †Eoactinidae Spencer 1919
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G. †Palasterina McCoy 1851
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†Palasterina follmanni Stürtz 1890
†Palasterina primaeva Forbes 1848
Invalid names: Hisingeraster Stürtz 1899 [synonym], Lindstromaster Gregory 1899 [synonym], Pseudopalasterina Stürtz 1890 [synonym]
G. †Schuchertia Gregory 1899
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†Schuchertia laxata Schuchert 1915
†Schuchertia ordinaria Schuchert 1915
†Schuchertia stellata Billings 1857
†Schuchertia wenlocki Spencer 1922
Invalid names: Trentonaster Stürtz 1899 [objective synonym]