Lunella granulata

Lunella granulata, common name the granulated 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 40 mm. The umbilicate shell is typically more elongated than Lunella coronata with an altitude about equalling the diameter. It is finely granulose all over, with subsutural and coronal series of tubercles, and sometimes one or two additional series upon the median part of body whorl.

Distribution
This marine species occurs from Taiwan to South Africa.