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Geology
Mollusca
Gastropoda
Orthogastropoda
Portlockiellidae
Portlockiellidae
Phylum:
Mollusca
Class:
Gastropoda
Order:
Orthogastropoda
Family:
Portlockiellidae
Genera of Portlockiellidae present in the Pennsylvanian of the American Midcontinent
Shansiella
