Trochus tentorium

Trochus tentorium is a species of sea snail, a marine gastropod mollusk in the family Tegulidae.

Description
It differs from Trochus maculatus Linnaeus, 1758 in being obviously longitudinally plicate, especially on the lower part of each whorl.

Distribution
This species occurs in the following locations:
 * Tanzania
 * the Philippines
 * Fiji Islands