
Possible petrified wood or fossilized tooth
Unidentified silicified fossil; exact identification requires close examination
AI-generated identification · may be incorrectOpaque ochre-yellow to brown, smooth and somewhat waxy-looking, with irregular lobes and a central depression. Hardness, specific gravity, and internal structure cannot be determined from the image; it may also be a non-geological object.
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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)
Fossil oyster shell
Oyster (family Ostreidae); shell composed chiefly of calcite (CaCO₃)
Weathered fossil bone fragment (identification uncertain)
Fossilized bone; exact taxon and mineral composition cannot be determined from the image