Bird Spring Formation

The Bird Spring Formation is a geologic formation in Nevada. It preserves fossils dating back to the Carboniferous and Permian periods.

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

• Various Contributors to the Paleobiology Database. "Fossilworks: Gateway to the Paleobiology Database". Retrieved 17 December 2021.^{[user-generated source?]}