Monterosato, 1884
Rare ectoparasit in the infralittoral.
Synonyms: seguenzai Pallary, and possibly undata Watson.
The species is thin, tall-spired, with very convex whorls separated from each other by a deep and thin suture. The sculpture is made up of numerous marked axial folds separated by deep interspaces that can be sometimes adorned with feeble spiral microstriae.
St. Georges Bay, Birżebbuya, SE. Malta. 2,1mm.
Original pictures provided by A. Nappo (IT).
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