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7 Specimen Results
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State/Province:
South Dakota
Family:
Nautilidae
Filter by
Phylum
Mollusca (7)
Order
Nautilida (7)
Class
Cephalopoda (7)
Genus
Eutrephoceras (7)
Individual/Organization
Harksen, J.C. (7)
Pettyjohn, W. (7)
Period
Cretaceous (7)
Formation
Pierre (7)
Country
United States of America (7)
County
Meade (7)