Casper Formation
Stratigraphic range: Permian
Sandstones (Casper Formation)
Type	Formation
Location
Region	Wyoming
Country	United States

The Casper Formation is a geologic formation in Wyoming, US. It preserves fossils dating back to the Pennsylvanian period.

• List of fossiliferous stratigraphic units in Wyoming
• Paleontology in Wyoming

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