Petricola rugosa
NamePetricola rugosa
Scientific NamePetricola rugosa
Common NameRugose Petricola
FamilyPetricolidae
GenusPetricola
Speciesrugosa
Geographic DistributionEastern Pacific Ocean, ranging from California (USA) south to Baja California (Mexico).
Habitatintertidal
Average Size (mm)30-50
Identifying FeaturesProminent, irregular, concentric lamellae (growth lines) and often some radial sculpture, giving the exterior a distinctly rough or 'rugose' texture. The shell is relatively thin but strong, and the pallial sinus is deep.
Raritycommon
Author CitationSowerby, 1834
Description
A bivalve mollusk shell, commonly known as the Rugose Petricola, characterized by its elongated, somewhat irregular shape and distinctive rough, wrinkled exterior sculpture. The shell is typically white to off-white, with a smooth, glossy white interior.
