| Bellevue Formation | |
|---|---|
| Stratigraphic range: Ordovician | |
| Trepostome bryozoans from the Bellevue Formation in northern Kentucky. | |
| Type | Formation |
| Location | |
| Region | Ohio Kentucky |
| Country | United States |
The Bellevue Formation is a geologic formation in Ohio and Kentucky. It preserves fossils dating back to the Ordovician period.