Richmond Formation
| Richmond Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
 Fossil from the Richmond Formation (Ohio) | |
| Type | Formation |
| Location | |
| Region |  Michigan,  Ohio |
| Country |  United States |
The Richmond Formation is a geologic formation in Michigan and Ohio. It preserves fossils dating back to the Ordovician period.
See also
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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