
Giant Mexican Limpet
NameGiant Mexican Limpet
Scientific NameScutellastra mexicana
Common NameGiant Mexican Limpet
FamilyPatellidae
GenusScutellastra
Speciesmexicana
Geographic DistributionEastern Pacific Ocean, specifically along the coast of Mexico, ranging from Baja California Sur to Oaxaca. The specimen shown was found in Jalisco, Bahia Chamela, Mexico.
Habitatintertidal
Shell Shapeconical
Average Size (mm)153
Identifying FeaturesIts exceptionally large size (one of the largest limpets in the world), robust and heavy shell, conical shape, and the characteristic yellowish-orange central area on its pearly white interior are key identifying features. The exterior often displays irregular radial ribs and concentric growth lines.
Raritycommon
Author Citation(Broderip & Sowerby, 1829)
Description
A very large, robust, and heavy limpet shell, characterized by its conical, cap-like shape and oval base. The exterior is typically rough, off-white to cream, often showing signs of erosion or encrustation. The interior is smooth, glossy, and pearly white, featuring a distinct yellowish-orange or pale brown central area and a prominent muscle scar.





