Montfortia subemarginata

Montfortia subemarginata, common name the emarginate limpet, 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 11 mm and 40 mm.

Distribution
This marine species occurs off Victoria, Australia and off Tasmania.