| Amsden Formation | |
|---|---|
| Stratigraphic range: Carboniferous | |
| Type | Formation |
| Location | |
| Region | Montana |
| Country | United States |
The Amsden Formation is a geologic formation in Montana. It preserves fossils dating back to the Carboniferous period.
References
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.