Patella ordinaria
NamePatella ordinaria
Scientific NamePatella ordinaria
Common NameNew Zealand Limpet
FamilyPatellidae
GenusPatella
Speciesordinaria
Geographic DistributionEndemic to New Zealand.
Habitatintertidal
Shell Shapeconical
Average Size (mm)Typically ranges from 30 to 60 mm in length.
Identifying FeaturesConical, cap-like shell with prominent, well-defined radial ribs. Its specific geographic distribution (New Zealand) is a key identifier. The shell's robust structure and distinct ribbing are visible in the image.
Raritycommon
Author CitationHutton, 1873
Description
A species of true limpet, Patella ordinaria, characterized by its conical, cap-shaped shell with prominent radial ribs. The shell typically exhibits shades of reddish-brown to dark brown, often with lighter colored ribs. It is commonly found in the intertidal and subtidal zones of New Zealand, where it grazes on algae on rocky substrates.
