Diodora sieboldii
NameDiodora sieboldii
Scientific NameDiodora sieboldii
Common NameSiebold's Keyhole Limpet
FamilyFissurellidae
GenusDiodora
Speciessieboldii
Geographic DistributionIndo-Pacific, particularly known from Japan and surrounding regions.
Habitatintertidal
Shell Shapeconical
Average Size (mm)21
Identifying FeaturesDistinctive apical keyhole-shaped foramen; strong, often unequal, radial ribs; cancellate sculpture (though concentric lines may be less prominent); conical profile; oval base; and a crenulated shell margin.
Raritycommon
Author Citation(Reeve, 1850)
Description
A medium-sized keyhole limpet shell, characterized by its conical shape, oval base, and a distinctive keyhole-shaped apical foramen. The exterior displays prominent radial ribs and a striking pattern of white, brown, and reddish-brown stripes. The interior is smooth and predominantly white.
