Cosmetalepas concatenata, common name the pitted keyhole limpet, is a species of sea snail, a marine gastropod mollusk in the family Fissurellidae, the keyhole limpets and slit limpets.

[1] The size of the shell varies between 10 mm and 22 mm.

This marine species occurs off New South Wales to Abrolhos Islands and off Tasmania.

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