Ectoparasit in the infralittoral.
Original taxon: Pyrgulina turbinoides var. “alpinoligustica”.
Synonyms: brusinai, coeni, incerta, turbonilloides…
Differs from spiralis by its slightly more convex whorls, and its comparatively slender shape.
Anse de l’Arène, Cassis, Provence, S. France. 1,8mm.
