10 Specimen Results

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Phylum

Order

Class

Genus

Acanthocardia (1)

Clinocardium (1)

Laevicardium (1)

Nemocardium (1)

Protocardia (1)

Trachycardium (5)

Individual/Organization

Harksen, J.C. (1)

Sternberg, C.H. (5)

Beamon, J.C. (3)

Pettyjohn, W. (1)

Period

Epoch

Pleistocene (2)

Formation

Country

United States of America (10)

State/Province

South Dakota (1)

County