fossil

Fossil Shark Tooth

Chondrichthyes (class)

Hardness varies by mineralization (typically Mohs 5-7), colors range from grey, brown, black to tan, luster is dull to vitreous depending on preservation, triangular or conical shape with serrated or smooth edges.

Identified August 4, 2026More fossil →

Explore Fossil Shark Tooth in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

App Store Google Play

Physical properties

Formation & geological history

Formed through the process of permineralization where original tooth material is replaced by minerals like silica or apatite over millions of years, often dating from the Cretaceous to Neogene periods.

Uses & applications

Used in fossil collecting, jewelry making, educational displays, and paleo-historical research.

Geological facts

Sharks shed thousands of teeth in their lifetimes, making teeth the most common fossilized remains of sharks.

Field identification & locations

Found worldwide in marine sedimentary deposits, riverbeds, and coastal erosion areas. Easily identified by their distinctive triangular shape and smooth or serrated enameloid surface.