Lunella cinerea

Lunella cinerea, common name the smooth moon turban, is a species of sea snail, a marine gastropod mollusk in the family Turbinidae, the turban snails.

Description
The size of the shell varies between 20 mm and 50 mm. The solid, umbilicate shell has a depressed-globose shape with a strong spiral sculpture. The spire is obtuse. The suture is slightly undulating. The five whorls are spirally lirate, and with lirulae in the interstices.

Distribution
This species occurs in the tropical Indo-West Pacific, off the Andaman Islands and Nicobar Islands, the Philippines, in the Red Sea, and off Australia (Northern Territory, Queensland, Western Australia).