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Atlas
All Species
Geology
Mollusca
Gastropoda
Bellerophontida
Bellerophontidae
Bellerophontidae
Phylum:
Mollusca
Class:
Gastropoda
Order:
Bellerophontida
Family:
Bellerophontidae
Genera of Bellerophontidae present in the Pennsylvanian of the American Midcontinent
Bellerophon
Cymatospira
Euphemites
