7 Specimen Results

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Phylum

Class

Family

Genus

has media

Has no media (3)

Individual/Organization

Harksen, J.C. (3)

Sternberg, C.H. (4)

Pettyjohn, W. (3)

Shelburne, E.C. (2)

Period

Formation

Country

United States of America (7)

State/Province

South Dakota (3)

County