- Source: Oswayo Sandstone
The Oswayo Sandstone is a geologic formation in Pennsylvania. It preserves fossils dating back to the Devonian period.
See also
List of fossiliferous stratigraphic units in Pennsylvania
Paleontology in Pennsylvania
References
Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.