Giant Beaver Tooth
Castoroides species
Markings and exact colorations may vary.
A thick, curved, chisel-like incisor fragment with strong lengthwise ridges on the enamel.
- Typical size
- Fragments 1–4 in
- How often it turns up
- Very rare
- Collecting
- Restricted
- Handling
- Safe to handle
A vertebrate fossil that is not a shark or ray tooth: collecting it on Florida state land or water, including beaches below the high-tide line, requires a Florida Museum Fossil Permit, and significant finds must be reported. Collecting is banned in Florida state parks and national seashores.
How to tell it apart
- Thick, curved incisor, often in pieces
- Front enamel with deep lengthwise ridges and grooves
- D-shaped cross-section
Where to find these in Florida
Beaches rated very good or excellent for fossils. Each page shows today’s score, the best window and access details.
- Caspersen Beach · Venice
- Englewood Beach (Chadwick Park) · Englewood
- Stump Pass Beach State Park · Englewood
- Turner Beach · Captiva
- Turtle Beach · Siesta Key
Found one?
Photograph it and BeachNut ranks the likely matches with a confidence read, then logs it to your collection with the beach and date.
Browsing beaches and the full field guide is free. A free account logs unlimited finds and gives you three photo identifications a day.
More fossils in the field guide
Get Florida beachcombing tips
Occasional emails: what's washing up, shelling tips and new BeachNut features. No spam, unsubscribe any time.











