Montana Group
The Montana Group is a geologic group in South Dakota. It preserves fossils dating back to the Cretaceous period.
| Montana Group Stratigraphic range: Cretaceous | |
|---|---|
| Type | Group |
| Location | |
| Region | South Dakota |
| Country | United States |
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Archived from the original on 31 July 2014. Retrieved 8 July 2014.
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