fossil

Fossil gastropod shell

Gastropoda; species cannot be determined from the image

AI-generated identification · may be incorrect

A small, coiled, ribbed shell with cream, tan, and brown coloring. Original shell material is commonly aragonite (CaCO₃), Mohs hardness about 3.5–4; the visible surface may be mineral-replaced or coated, so luster and composition cannot be confirmed visually.

Identified September 26, 2026More fossil →

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Physical properties

Formation & geological history

Gastropods secreted shells in marine or freshwater environments; fossilization occurred after burial and mineral preservation. The image does not provide enough information to determine its age or depositional setting.

Uses & applications

Primarily a teaching, display, or collecting specimen; fossils can also help interpret ancient environments and date sedimentary strata.

Geological facts

Gastropods are a large class of mollusks, including snails and many marine sea snails. Shell shape alone is usually insufficient for reliable species identification.

Field identification & locations

Look for a continuous spiral, whorls, and growth ribs; these features distinguish a gastropod fossil from most mineral specimens. Fossil shells occur in sedimentary rocks worldwide, but locality and preparation details are needed for identification.