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Atlas
All Species
Geology
Mollusca
Bivalvia
Pterioida
Pterioida
Phylum:
Mollusca
Class:
Bivalvia
Order:
Pterioida
Families of Pterioida present in the Pennsylvanian of the American Midcontinent
Aviculopectinidae
Deltopectinidae
Monopteriidae
Myalinidae
Pseudomonotidae
Pterinopectinidae
