
Fossil shark teeth
Likely fossilized shark teeth, possibly Carcharhiniformes or related sharks; exact species cannot be determined from the photo.
AI-generated identification · may be incorrectGray-brown, triangular teeth with serrated or worn margins and mineralized enamel; hardness roughly 5–7, with a glossy enamel luster and dense, noncrystalline fossil structure. The dark coloration commonly results from replacement minerals such as phosphate, silica, or iron oxides.
Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Formation & geological history
Uses & applications
Geological facts
Field identification & locations
More like this
Other fossil specimens
Probable fossil-bearing rock or mineral concretion
Unidentified carbonate-rich concretion with a possible fossil inclusion
Likely fossil oyster shell
Fossilized bivalve shell; exact species cannot be identified from the image
Crinoid Stem Fossil in Matrix
Phylum Echinodermata, Class Crinoidea
Fossiliferous limestone (likely a crinoidal or shell-fragment limestone)
Bioclastic limestone, composed chiefly of calcite (CaCO₃)
Rounded sedimentary pebble
Likely micritic limestone or calcareous sandstone
Chert with Fossil Brachiopod
Microcrystalline Quartz (SiO2) with Calcitic Brachiopod inclusion