Diodora gibberula
NameDiodora gibberula
Scientific NameDiodora gibberula
Common NameKeyhole Limpet
FamilyFissurellidae
GenusDiodora
Speciesgibberula
Geographic DistributionMediterranean Sea and adjacent Atlantic Ocean, including coasts of Portugal, Spain, and Morocco.
Habitatintertidal
Shell Shapeconical
Average Size (mm)10-20
Identifying FeaturesKey identifying features include its oval, conical shape, the distinctive keyhole-shaped apical foramen, strong radial ribbing, and the characteristic irregular brown markings on a lighter background. The internal callus around the foramen is also a key feature.
Raritycommon
Author Citation(Lamarck, 1822)
Description
A small, limpet-like marine gastropod shell, characterized by its oval, conical shape, prominent radial ribs, and a distinctive keyhole-shaped apical orifice. The exterior is typically whitish or cream with irregular brown markings. It belongs to the family Fissurellidae, commonly known as keyhole limpets.
