6 Specimen Results

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Order

Architaenioglossa (2)

Class

Cephalopoda (1)

Family

Spiroceratidae (1)

Viviparidae (2)

Genus

Lioplacodes (1)

has media

Has no media (1)

Period

Epoch

Pleistocene (1)

Formation

Tongue River (2)

Country

United States of America (6)

State/Province

North Dakota (1)

County

Powder River (2)