Voluta hamiltonensis

Voluta hamiltonensis is an extinct species of sea snail, a marine gastropod mollusk in the family Volutidae, the volutes.

Description
Specimens of the species have a fusiform shell, axial sculpture, and non-extended outer lip, with flattened whorls on its spire. A smooth, relatively spherical protoconch is seen at the end of the spire.

Distribution
Fossils of this marine species were found in Tertiary strata in Victoria, Australia.