12 Specimen Results

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Individual/Organization: Formation:

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Phylum

Order

Crossognathiformes (2)

Ichthyodectiformes (2)

Class

Actinopterygii (4)

Family

Cheloniidae (1)

Ichthyodectidae (2)

Mosasauridae (4)

Pachyrhizodontidae (2)

Genus

Ichthyodectes (2)

Pachyrhizodus (2)

Individual/Organization

Stewart, J.D. (2)

Zakrzewski, R.J. (9)

Carpenter, E. (1)

Period

Cretaceous (12)

Epoch

Age

Formation

Member

Sharon Springs (12)

Country

United States of America (12)

State/Province

South Dakota (12)

County

Pennington (12)