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Coelotrochus viridis (Gmelin, 1791)
Coelotrochus viridis has the typical conically shaped shell, which is covered with rounded, spirally arranged nodules, and shows a greenish-grey or dull purple colour.
This harmless snail is found on semi-exposed to exposed shorelines, most commonly in areas grazed by sea urchins, where it feeds primarily on newly emerging microalgal films covering the surfaces of rocks, but it does not disdain sturdier marine plants such as seagrass.
The animal is yellowish brown, the foot is reddish or purplish brown, their eyes are on rather long white stalks.
Synonyms:
Polydonta (Infundibulum) tritonis A. Adams, 1855
Polydonta tuberculata Gray, 1843
Polydonta viridescens A. Adams, 1853
Trochus (Thorista) viridis Gmelin, 1791
Trochus acinosus Gould, 1849
Trochus fulvolabris Hombron & Jacquinot, 1848
Trochus viridis Gmelin, 1791
Coelotrochus viridis has the typical conically shaped shell, which is covered with rounded, spirally arranged nodules, and shows a greenish-grey or dull purple colour.
This harmless snail is found on semi-exposed to exposed shorelines, most commonly in areas grazed by sea urchins, where it feeds primarily on newly emerging microalgal films covering the surfaces of rocks, but it does not disdain sturdier marine plants such as seagrass.
The animal is yellowish brown, the foot is reddish or purplish brown, their eyes are on rather long white stalks.
Synonyms:
Polydonta (Infundibulum) tritonis A. Adams, 1855
Polydonta tuberculata Gray, 1843
Polydonta viridescens A. Adams, 1853
Trochus (Thorista) viridis Gmelin, 1791
Trochus acinosus Gould, 1849
Trochus fulvolabris Hombron & Jacquinot, 1848
Trochus viridis Gmelin, 1791






Javier Couper (Predomalpha), New Zealand