Fissurella costata, common name : the costate keyhole limpet, is a species of sea snail, a marine gastropod mollusc in the family Fissurellidae, the keyhole limpets.

Description

The size of an adult shell varies between 25 mm and 90 mm.

Distribution

This species is present in the southeastern coast of Pacific Ocean off Peru and Chile. They live on the rocky intertidal substrate.

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