Crisilla aartseni (Verduin, 1984)
Algarve to Gibraltar Strait. Grazer and detritus feeder in the shallow infralittoral. The last whorl of the protoconch is densely spirally striated. Teleoconch smooth, with some weak growth lines; suture well marked; three spiral rows of fawn blotches on the body-whorl. Original taxon: Cingula aartseni.

Intertidal, Punta del Carnero, Algeciras, Andalucia, S. Spain. 1mm.

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