19 Specimen Results

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Phylum

Order

Class

Cephalopoda (6)

Family

Baculitidae (1)

Ornithomimidae (1)

Placenticeratidae (1)

Scaphitidae (2)

Genus

Jeletzkytes (1)

Placenticeras (1)

Individual/Organization

Harksen, J.C. (6)

Zakrzewski, R.J. (6)

Bretz, R.F. (3)

Thomasson, J.R. (1)

Beamon, J.C. (1)

Martin, R.A. (1)

Period

Cretaceous (14)

Epoch

Pleistocene (1)

Age

Formation

Pierre Shale (1)

Member

Sharon Springs (3)

Country

United States of America (19)

County