Bill's Creek Shale
The Bill's Creek Shale is a geologic formation in Michigan. It preserves fossils dating back to the Ordovician period.
| Bill's Creek Shale Stratigraphic range: Middle Ordovician - Late Ordovician | |
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| Type | Formation |
| Underlies | Stonington Formation |
| Overlies | Collingwood Shale |
| Location | |
| Region |  Michigan |
| 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 22 June 2014.
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