Mangelia costulata Risso, 1826
English Channel to Mediterranean. Predator in the infralittoral.
Synonyms: farrani, ornata, rissoi, smithii, striolata
Spiral cords can be weak as well as very sharp.
Beachstormed, Punta Sabbioni, Venezia, NE. Italy. 8,5mm.
5m deep, in shell grit, Salamina island, Attiki, Greece. 8mm.
Fine spiral sculpture. Often, there is a dark suprasutural band.
Young specimen with spiral striae, from 30m deep, in mud, Corigliano gulf, Cosenza, Calabria, SW. Italy. 5mm.
20-30m deep, Málaga, Andalucia, S. Spain. 5,9mm.
The shells progressively loose the spiral sculpture while aging. 20-25m deep, on coral bottom, Málaga. 6,8-7,2mm.
A small smooth one.
7m deep, Saronikos. 5,9mm.

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