Calthalotia baudini

Calthalotia baudini is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.

Description
The size of the shell attains 15 mm. The rather thick, imperforate shell has a conic-elongate shape. The 6 to 7 whorls are planulate, the first buff, eroded, the following whitish, ornamented with sparse rosy points and angular chestnut streaks. The shell is spirally lirate, with about 8 lirae on the penultimate whorl. The subangular body whorl is depressed above. The base of the shell is convex, with about 8 concentric lirae. Tnere is no umbilical perforation. The aperture is rhomboidal. The lip is simple. The short columella is subnodose-truncate below.

Distribution
This marine species is endemic to Australia and occurs off Western Australia and King Island, South Australia.