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3 Specimen Results
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State/Province:
South Dakota
Genus:
Placenticeras
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Phylum
Mollusca (3)
Order
Ammonitida (3)
Class
Cephalopoda (3)
Family
Placenticeratidae (3)
has media
Has media (2)
Has no media (1)
Individual/Organization
Sternberg, G.F. (1)
Jorgensen, D. (1)
Matsumoto, T. (1)
Period
Cretaceous (3)
Formation
Pierre (2)
Country
United States of America (3)
County
Pennington (3)