Liotina peronii

Liotina peronii, common names: Peron's delphinula, wheel shell and large liotia, is a species of small sea snail, a marine gastropod mollusk, in the family Liotiidae.

Description
The size of the shell varies between 4 mm and 20 mm. The shell is shouldered, radiately distinctly ribbed to the shoulder, below which they become obsolete, with a spiral rib forming the shoulder and another just below it. The tooth is somewhat tubercular, and there are numerous small elevated spiral lirae, becoming granular below. Between the lirae there are minute punctations, and a row of large, deep pits revolves around the base. The outer lip is strongly, crenulately varicose.

Distribution
This marine species occurs in the shallow, subtidal zone of Central and West Pacific, off East India and off New South Wales, Northern Territory, Queensland, Western Australia