12 Specimen Results

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Class: Formation:

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Phylum

Order

Family

Trigoniidae (1)

Genus

Brachidontes (2)

Individual/Organization

Sternberg, G.F. (3)

Hattin, D.E. (5)

Marak, J.H. (1)

Wooster, L.C. (2)

Brandhorst, C.F. (5)

Period

Cretaceous (12)

Formation

Country

United States of America (12)

State/Province

South Dakota (1)

County