Pyrgiscus multiliratus (Monterosato, 1875)
Mediterranean. One record off Scilly Isles (73m) in Celtic Sea.
Ectoparasit in the circalittoral.
Original taxon: Odostomia (Turbonilla) multilirata.
 
This species is usually listed in the genus Turbonilla Risso. But its sculpture of thin spiral striae, occuring between the interspaces of the radial costae, leads me to place it in the genus Pyrgiscus Philippi, where the shells bear such microspirals, while this feature is unknown in Turbonilla. Protoconch of type A.

80-100m deep, Mljet island, Dubrovnik-Neretva Comitat, S. Croatia. 4,6mm.
Original pictures provided by N. Lete (HR).
(CC BY-NC-SA)

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