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Atlas
All Species
Geology
Chordata
Sauropsida
Testudines
Protostegidae
Protostega
Protostega
Phylum:
Chordata
Class:
Sauropsida
Order:
Testudines
Family:
Protostegidae
Genus:
Protostega
Protostega
Species present in the Cretaceous of the Western Interior Seaway
Protostega gigas
