Acmaea is a genus of sea snails, specifically true limpets, marine gastropod mollusks in the family Acmaeidae, one of the families of true limpets.

The shells may exhibit radial ridges or concentric growth lines.

Animal: The muzzle is frilled and produced at the lower anterior corners into two lappets or tubercles.

[2] Species of Acmaea are widely distributed throughout temperate and subtropical coastal regions worldwide, with particularly high diversity in the Pacific and Atlantic Oceans.

Malacological Fauna From The Cape Verde Archipelago.