10 Specimen Results

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Phylum

Order

Architaenioglossa (2)

Class

Cephalopoda (2)

Family

Acanthoceratidae (1)

Viviparidae (2)

Genus

Acanthoceras (1)

Lioplacodes (1)

Individual/Organization

Sternberg, G.F. (2)

Zakrzewski, R.J. (6)

Holtzman, R. (2)

Eustace, E.W. (2)

Period

Epoch

Formation

Tongue River (2)

Country

United States of America (10)

County

Mussels Hell (1)

Powder River (2)