Thin Elk Formation | |
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Stratigraphic range: Neogene | |
Type | Formation |
Location | |
Region | South Dakota |
Country | United States |
The Thin Elk Formation is a geologic formation in South Dakota. It preserves fossils dating back to the Neogene period.
Ungulates reported from the Thin Elk Formation | |||||
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Genus | Species | Presence | Material | Notes | Images |
Cormohipparion | C. occidentale | Ed Ross Ranch Quarry, Bennett County, South Dakota. [1] | Skull (F:AM 71872). [1] | An equid. | ![]() |