Get FossilRef Pro Free
Available on Android. Start identifying fossils like a professional paleontologist.
FossilRef Pro is the definitive field guide for fossil hunters in North America. Hundreds of species with detailed descriptions, geological timelines, and where to find them.
📲 Download Free See FeaturesFrom ammonites to dinosaur bones — identify what you find in the field
Browse by shape, texture, size, and geological era to identify your fossil. Detailed descriptions help distinguish similar specimens with confidence.
Discover where different fossils are commonly found across North America. Plan your next fossil hunting trip with location-based guides.
Understand the deep history behind your finds. Each entry includes geological period, era, and how species fit into Earth's ancient history.
No signal needed in the field. The full reference database is stored locally on your device so you can identify fossils wherever you find them.
Be among the first beta testers — get early access and help shape the app before public launch.
Available on Android. Start identifying fossils like a professional paleontologist.