Gastropod

About it

Snails: a single shell, usually coiled in a spiral, with no chamber walls inside, which sets it apart from a coiled cephalopod. Common in Cenozoic beds; Florida, the Paris Basin, and Miocene and Pliocene deposits worldwide yield many.

Type

Fossil (mollusc)

Group

Gastropod (mollusc)

Colours

white, cream, grey, brown, tan

Transparency

opaque

Periods

Jurassic, Cretaceous, Paleogene, Neogene, Quaternary

Typical values: real specimens vary. For more, see mindat.org.