39 Specimen Results

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Phylum

Order

Ammonitida (26)

Crossognathiformes (2)

Ichthyodectiformes (2)

Class

Actinopterygii (4)

Cephalopoda (27)

Family

Baculitidae (17)

Ichthyodectidae (2)

Mosasauridae (4)

Pachyrhizodontidae (2)

Placenticeratidae (3)

Scaphitidae (5)

Genus

Clioscaphites (2)

Ichthyodectes (2)

Jeletzkytes (2)

Pachyrhizodus (2)

Placenticeras (3)

has media

Has no media (7)

Individual/Organization

Sternberg, G.F. (21)

Stewart, J.D. (2)

Zakrzewski, R.J. (10)

Bretz, R.F. (12)

Beamon, J.C. (1)

Jones, D.B. (1)

Period

Cretaceous (39)

Epoch

Age

Formation

Pierre Shale (1)

Member

Sharon Springs (12)

Country

United States of America (39)

State/Province

South Dakota (39)