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Classification of Weller 1920
G. †
Bellerophon
de Montfort 1808
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Bellerophon chesterensis
Weller 1920
G. †
Bucanopsis
Ulrich and Scofield 1897
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Bucanopsis ornatus
Weller 1920
G. †
Euphemus
M'Coy 1844
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Euphemus randolphensis
Weller 1920
G. †
Sulcatopinna
Hyatt 1892
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Sulcatopinna missouriensis
Swallow 1863