Diodora granifera
NameDiodora granifera
Scientific NameDiodora granifera
Common NameGranular Keyhole Limpet
FamilyFissurellidae
GenusDiodora
Speciesgranifera
Geographic DistributionIndo-Pacific region, including areas such as the Philippines, Japan, and parts of Australia.
Habitatintertidal
Shell Shapeconical
Average Size (mm)15-25
Identifying FeaturesKeyhole-shaped apical foramen, strongly granular or nodulose surface sculpture, oval outline, and a scalloped or crenulated shell margin.
Raritycommon
Author CitationPease, 1861
Description
A small, oval, limpet-like shell characterized by a prominent, keyhole-shaped apical opening (foramen). The shell surface is covered with a distinctive granular or nodulose sculpture, giving it a rough texture. The margin of the shell is typically scalloped or crenulated. The overall color is a pale yellowish-tan or cream.
