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Atlas
All Species
Geology
Mollusca
Gastropoda
Neogastropoda
Perissityidae
Perissitys
Perissitys
Phylum:
Mollusca
Class:
Gastropoda
Order:
Neogastropoda
Family:
Perissityidae
Genus:
Perissitys
Perissitys
Species present in the Cretaceous of the West Coast of the United States
