3 Specimen Results

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Individual/Organization: Formation:

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Phylum

Order

Crossognathiformes (2)

Class

Actinopterygii (3)

Family

Pachyrhizodontidae (2)

Genus

Aethocephalichthys (1)

Pachyrhizodus (2)

Individual/Organization

Bretz, R.F. (2)

Everhart, P.A. (1)

Period

Epoch

Age

Formation

Member

Sharon Springs (3)

Country

United States of America (3)

State/Province

South Dakota (2)

County