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