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2 Specimen Results
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State/Province:
Montana
Class:
Cephalopoda
FHSM IP-664
Acanthoceras
(Neumayr, 1875)
Period(Early):
Cretaceous
FHSM IP-921
Cephalopoda (Cuvier, 1797)
Formation:
Pierre
Period(Early):
Cretaceous
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Phylum
Mollusca (2)
Order
Ammonitida (1)
Family
Acanthoceratidae (1)
Genus
Acanthoceras (1)
Individual/Organization
Sternberg, G.F. (2)
Eustace, E.W. (2)
Period
Cretaceous (2)
Formation
Pierre (1)
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United States of America (2)
County
Mussels Hell (1)