Pentagon Formation
| Pentagon Formation | |
|---|---|
| Stratigraphic range: Cambrian | |
| Type | Formation | 
| Location | |
| Region | Montana | 
| Country | United States | 
The Pentagon Formation is a geologic formation in Montana. It preserves fossils dating back to the Cambrian period.
See also
References
- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 8 July 2014.