Puncturella expansa

Puncturella expansa, common name the broad puncturella, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.

Description
The size of the shell varies between 25 mm and 40 mm.

Distribution
This species occurs in the Pacific Ocean from Baja California, Mexico to Panama; off the Galápagos Islands