
Diodora spreta
NameDiodora spreta
Scientific NameDiodora spreta
Common NameSpreta Keyhole Limpet
FamilyFissurellidae
GenusDiodora
Speciesspreta
Geographic DistributionEastern Pacific Ocean, primarily found along the coasts of California (USA) and Baja California (Mexico).
Habitatintertidal
Shell Shapeconical
Average Size (mm)Approximately 15-30 mm in length.
Identifying FeaturesKey identifying features include the oval apical opening (keyhole), the strong and often nodulose radial ribs, and the characteristic radiating reddish color pattern on a lighter background. The shell's conical profile and oval base are also distinctive.
Raritycommon
Author CitationDeshayes, 1831
Description
A small to medium-sized keyhole limpet, characterized by its conical, oval shell and a distinctive apical opening. The shell surface exhibits prominent, often nodulose, radial ribs. Its coloration typically consists of a whitish or cream background adorned with radiating reddish-brown or pinkish-red stripes or bands.





