Museum of Geology
South Dakota School of Mines and Technology
Rapid City, S. Dak.
In the wall, or cliff-forming part, of the Badlands are fossil species not found in the lower layers. these are, to the left, the peculiar, horned Protoceras, and, to the right, the short-headed oreodont, Leptauchenia.
Museum of Geology
South Dakota School of Mines and Technology
Rapid City, S. Dak.
This distant relative of the horse and rhinoceros was the largest member of the Badlands fauna of 30 million years ago.
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