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

Description

The solid shel is patelliform. The apex is erect or anteriorly inclined. 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. There is no marginal cordon. The cervical gill alone is present.

Distribution

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

Species

According to the World Register of Marine Species (WoRMS), the following species with accepted names are included within the genus Acmaea :

Species brought into synonymy