Fissurella longifissa
NameFissurella longifissa
Scientific NameFissurella longifissa
Common NameLong-slit Keyhole Limpet
FamilyFissurellidae
GenusFissurella
Specieslongifissa
Geographic DistributionEastern Pacific Ocean, primarily found along the coasts of Peru and Chile.
Habitatintertidal
Shell Shapeconical
Average Size (mm)20-40
Identifying FeaturesThe most prominent identifying feature is the elongated, slit-like apical foramen. The radial color banding and fine radial sculpture are also characteristic.
Raritycommon
Author CitationSowerby, 1862
Description
A medium-sized keyhole limpet shell, characterized by its conical, oval shape and a distinctive elongated, keyhole-shaped apical opening (foramen). The exterior displays striking radial color patterns of reddish-purple or magenta alternating with lighter, often greenish-white or cream bands. The shell surface exhibits fine radial ribbing. The interior around the foramen is typically white.
