Oregonia Formation
Stratigraphic range: Ordovician
Type	Formation
Location
Region	Ohio
Country	United States

The Oregonia Formation is a geologic formation in Ohio. It preserves fossils dating back to the Ordovician period.

See also[edit]

• List of fossiliferous stratigraphic units in Ohio

References[edit]

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.