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4 Specimen Results
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Phylum:
Mollusca
State/Province:
Montana
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Order
Ammonitida (1)
Architaenioglossa (2)
Class
Cephalopoda (2)
Gastropoda (2)
Family
Acanthoceratidae (1)
Viviparidae (2)
Genus
Acanthoceras (1)
Campeloma (1)
Lioplacodes (1)
Individual/Organization
Sternberg, G.F. (2)
Holtzman, R. (2)
Eustace, E.W. (2)
Period
Cretaceous (2)
Plaeogene (2)
Epoch
Paleocene (2)
Formation
Pierre (1)
Tongue River (2)
Country
United States of America (4)
County
Mussels Hell (1)
Powder River (2)