The Nautilus Log
Green Keyhole Limpet

Green Keyhole Limpet

NameGreen Keyhole Limpet
Scientific NameFissurella verde
Common NameGreen Keyhole Limpet
FamilyFissurellidae
GenusFissurella
Speciesverde
Geographic DistributionEastern Pacific Ocean, ranging from Baja California, Mexico, southwards along the coast of Central and South America to Peru.
Habitatintertidal
Shell Shapeconical
Average Size (mm)20-40 mm in length (anterior-posterior dimension).
Identifying FeaturesKey identifying features include its conical shape, the prominent oval apical keyhole, and the distinctive pattern of strong radiating ribs with alternating greenish-brown and white color bands. The shell margin is typically crenulated due to the termination of the ribs.
Raritycommon
Author CitationG.B. Sowerby I, 1835

Description

A conical, cap-shaped shell characterized by a distinct oval apical opening, often referred to as a 'keyhole'. The shell surface features prominent radiating ribs, displaying alternating bands of greenish-brown or olive and whitish coloration. The overall appearance is sturdy and well-adapted for clinging to rocky substrates.

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