
Diodora crucifera
NameDiodora crucifera
Scientific NameDiodora crucifera
Common NameCruciform Keyhole Limpet
FamilyFissurellidae
GenusDiodora
Speciescrucifera
Geographic DistributionWestern Atlantic Ocean, ranging from North Carolina, USA, south through Florida, the Gulf of Mexico, and the Caribbean Sea.
Habitatsubtidal
Shell Shapeconical
Average Size (mm)25
Identifying FeaturesOval, limpet-like shell with a conical profile.,Distinct central apical orifice, often described as keyhole-shaped.,Strong cancellate sculpture due to prominent radial ribs and concentric growth lines.,Internal callus surrounding the orifice.,Color patterns often include radiating darker markings.
Raritycommon
Author CitationDall, 1889
Description
A species of keyhole limpet, the shell is typically oval and conical, with a distinct apical orifice (keyhole) at its apex. The surface exhibits a cancellate sculpture formed by numerous radial ribs intersected by concentric growth lines. The coloration is generally light, often with radiating patterns of darker hues.




