Clanculus jussieui (Payraudeau, 1826)
Mediterranean and adjacent waters. Grazer and deposit feeder in infralittoral rocky areas. Basionym: 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.
Shallow water under stone, eastern shore of the Punta di Parata, Corbara, NW. Corsica. 10,3mm.
Tentacles dark violet brown.
Anse de Tamaris, east of Sainte-Croix harbour, southern coast of the Nerthe (Estaque) mountain range, west of Marseille, Provence, S. France. Original picture provided by F. André for iNaturalist – (CC BY-NC).
Spectacular specimen with the colours and pattern of the Tegulid Cittarium pica (Linnaeus, 1758), from 50cm deep, Almuñecar area, Granada, Andalucia, S. Spain. 12mm.
Original pictures provided by I. Mulero (ES).
– (CC BY-NC-SA) –

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