Diodora inaequalis
NameDiodora inaequalis
Scientific NameDiodora inaequalis
Common NameUnequal Keyhole Limpet
FamilyFissurellidae
GenusDiodora
Speciesinaequalis
Geographic DistributionEastern Pacific Ocean, ranging from California (USA) south to Peru.
Habitatintertidal
Shell Shapeconical
Average Size (mm)20-50
Identifying FeaturesDistinctive keyhole-shaped apical foramen, strong and numerous radial ribs, oval outline, and characteristic radial color banding.
Raritycommon
Author Citation(G.B. Sowerby I, 1835)
Description
Diodora inaequalis, commonly known as the Unequal Keyhole Limpet, is a species of marine gastropod mollusc in the family Fissurellidae. Its shell is limpet-like, conical, and oval in shape, characterized by strong radial ribs and a distinctive keyhole-shaped apical opening (foramen). The shell exhibits a pattern of alternating light and dark radial bands.
