Charisma josephi

Charisma josephi, common name the Joseph's charisma, is a species of extremely small sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

Description
The diameter of the shell is 3 mm. The thick shell is widely umbilicated and obliquely turbinate. Its color is white, opaque, maculated with very pale chestnut. The five whorls are rounded and closely spirally striate. The thick peristome is posteriorly produced.

Distribution
This marine species is endemic to Australia and occurs off South Australia, Tasmania, Victoria and Western Australia