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4 Specimen Results
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Phylum:
Mollusca
State/Province:
Montana
FHSM IP-664
Acanthoceras
(Neumayr, 1875)
Period(Early):
Cretaceous
FHSM IP-921
Cephalopoda (Cuvier, 1797)
Formation:
Pierre
Period(Early):
Cretaceous
FHSM IP-2173
Campeloma
(Rafinesque, 1819)
Formation:
Tongue River
Period(Early):
Plaeogene
FHSM IP-2176
Lioplacodes
(Meek & Hayden, 1864)
Formation:
Tongue River
Period(Early):
Plaeogene
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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)