Extinct Tiger Shark Tooth
Galeocerdo aduncus
Markings and exact colorations may vary.
A small fossil tiger shark tooth with a sharply bent cusp and finer, more even serrations than a modern tiger.
- Typical size
- 0.4–1 in
- How often it turns up
- Uncommon
- Collecting
- Usually legal to collect
- Handling
- Safe to handle
Fossil shark and ray teeth need no permit on Florida beaches. Collecting is banned in Florida state parks and national seashores, and private property needs the owner's permission.
How to tell it apart
- Cusp leans strongly sideways
- Fine, fairly even serrations
- Distal heel with only slightly coarser serrations — no deep notch
Where to find these in Florida
Beaches rated very good or excellent for shark teeth. Each page shows today’s score, the best window and access details.
- Caspersen Beach · Venice
- Englewood Beach (Chadwick Park) · Englewood
- Fort Clinch State Park · Fernandina Beach
- Lighthouse Point Park · Ponce Inlet
- Stump Pass Beach State Park · Englewood
- Turner Beach · Captiva
- Venice Beach · Venice
- Amelia Island State Park · Amelia Island
- Anastasia State Park · St. Augustine
- Bethune Beach · New Smyrna Beach
- Brohard Paw Park · Venice
- Crescent Beach · St. Augustine
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.
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Commonly confused with
Contorted Tiger Shark ToothPhysogaleus contortus
Contorted teeth are narrow and twisted with weak serrations; the extinct tiger is broader and clearly serrated.
Tiger Shark ToothGaleocerdo cuvier
Modern tiger teeth have a deep notch and coarse heel serrations; the extinct one is smaller with fine, even serrations.
More shark teeth in the field guide
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