Classification of Kristan-Tollmann 1963
Cl. Holothuroidea de Blainville 1834 [sea cucumber]
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Fm. †Kaliobullitidae Kristan-Tollmann 1963
G. †Calclamnoidea Frizzell and Exline 1955
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†Calclamnoidea canalifera Kristan-Tollmann 1963
G. †Fissobractites Kristan-Tollmann 1963
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†Fissobractites subsymmetrica Kristan-Tollmann 1963
G. †Acanthotheelia Frizzell and Exline 1955
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†Acanthotheelia spinosa Frizzell and Exline 1955
G. †Etheridgella Croneis and McCormack 1932
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†Etheridgella pentagonia Kristan-Tollmann 1963