Classification of Hoare et al. 1978
G. †Pseudoconocardium Zavodowsky 1960
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†Pseudoconocardium missouriensis Girty 1915
†Pseudoconocardium obliquum Meek and Worthen 1875
G. †Acanthopecten Girty 1903
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†Acanthopecten bellosum Hoare et al. 1978
†Acanthopecten carboniferous Stevens 1858
G. †Aviculopecten M'Coy 1851
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†Aviculopecten appalachianus Hoare et al. 1978
†Aviculopecten columbianus Hoare et al. 1978
G. †Schizodus King 1844
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†Schizodus acuminatus Hoare et al. 1978
†Schizodus cuneatus Meek 1875
Fm. †Edmondiidae King 1850
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Fm. †Pterineidae Miller 1877
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Subfm. Modiolinae Termier and Termier 1950
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Subg. Modiolus (Modiolus) Lamarck 1799
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†Modiolus (Modiolus) radiatus Hoare et al. 1978