Clanculus jussieui (Payraudeau, 1826)
Mediterranean and adjacent waters. Grazer and deposit feeder in infralittoral rocky areas. Original taxon: Monodonta jussioei, but the form jussieui given by Philippi prevails nowadays.
Synonyms: glomus, granoliratus, morio
1m deep, under rock, Port-Miou, Cassis, Provence, S. France. 9-10mm. Notice the sutural furrow.
Variants: marmorata, roseocarnea, striata.
At low tide, on rocks, Málaga, Andalucia, S. Spain. 11-11,5mm.
3m deep, under stones, Ceuta span. terr., N. Morocco. 9-10mm.
Smooth form. 2m deep, at base of the southern jetty of the harbour, Methóni, Messinia, Peloponnese, SW. Greece. 7mm.
The species in H. M. D. de Blainville:
Malacozoaires, Paris 1828, plate 10b.
« This species bears simple transversal striae, weak and devoid of granulations; it is longitudinally striped with brown and olivaceous white, or it is of a pale pink with violaceous reddish lines; the aperture is white; the two columellar teeth are small; the labial margin is wrinkled. I dedicated it to Mr. Adrien de Jussieu, professor in the Royal garden. » – B. C. Payraudeau: Cat. descr. et méthodique des annelides et des mollusques de l’île de Corse, Paris 1826, p.136.

Pattern variation around the variant “morio” Risso: darker colours, stronger cords. Cap d’Agde, S. France. 10,5-12mm.
1m, Isola di Sant’Antioco, SW. of Cagliari, S. Sardinia. 9-10mm.
Same spot. 9-10mm.

— back to Trochidae —