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Atlas
All Species
Geology
Mollusca
Cephalopoda
Nautilida
Trigonoceratidae
Trigonoceratidae
Phylum:
Mollusca
Class:
Cephalopoda
Order:
Nautilida
Family:
Trigonoceratidae
Genera of Trigonoceratidae present in the Pennsylvanian of the American Midcontinent
Vestinautilus
