33 Specimen Results

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Phylum

Order

Ammonitida (23)

Artiodactyla (1)

Crossognathiformes (2)

Ichthyodectiformes (2)

Class

Actinopterygii (4)

Cephalopoda (23)

Family

Baculitidae (17)

Ichthyodectidae (2)

Leptomerycidae (1)

Mosasauridae (4)

Pachyrhizodontidae (2)

Placenticeratidae (2)

Genus

Clioscaphites (2)

Ichthyodectes (2)

Jeletzkytes (2)

Pachyrhizodus (2)

Individual/Organization

Sternberg, G.F. (21)

Walker, M.V. (1)

Harksen, J.C. (1)

Stewart, J.D. (2)

Zakrzewski, R.J. (6)

Bretz, R.F. (9)

Jones, D.B. (1)

Period

Cretaceous (32)

Epoch

Age

Formation

Member

Sharon Springs (9)

Country

United States of America (33)

State/Province

South Dakota (33)