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Atlas
All Species
Geology
Mollusca
Bivalvia
Trigoniida
Trigoniidae
Pterotrigonia
Pterotrigonia
Phylum:
Mollusca
Class:
Bivalvia
Order:
Trigoniida
Family:
Trigoniidae
Genus:
Pterotrigonia
Pterotrigonia
Species present in the Cretaceous of the West Coast of the United States
Pterotrigonia evansana
Pterotrigonia klamathonia
