The Cassville Shales is a geologic formation in West Virginia. It preserves fossils dating back to the Permian period.
| Cassville Shales | |
|---|---|
| Stratigraphic range: Permian | |
| Type | Formation |
| Location | |
| Region |  West Virginia |
| Country |  United States |
See also
edit
References
edit- Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.
 | This article about a specific stratigraphic formation in West Virginia is a stub. You can help Wikipedia by expanding it. |
 | This article related to the Permian period is a stub. You can help Wikipedia by expanding it. |