Italian Keyhole Limpet
NameItalian Keyhole Limpet
Scientific NameDiodora italica
Common NameItalian Keyhole Limpet
FamilyFissurellidae
GenusDiodora
Speciesitalica
Geographic DistributionMediterranean Sea, and the Atlantic coast of Portugal and Spain.
Habitatintertidal
Shell Shapeconical
Average Size (mm)Approximately 15-16 mm in length for this specimen. The species typically grows up to 30-40 mm.
Identifying FeaturesThe most prominent identifying feature is the keyhole-shaped apical opening (foramen). Other features include the oval shape, low conical profile, and numerous fine radial ribs that extend from the apex to the margin.
Raritycommon
Author Citation(Lamarck, 1822)
Description
A small, oval, low-conical shell belonging to a keyhole limpet. It features distinct radial ribs and a characteristic keyhole-shaped apical opening. The shell surface is generally smooth between the ribs.
