Ectoparasit in the infralittoral.
Original taxon: Turbo spiralis.
Synonyms: Odostomia plicatula MacGillivray, 1843.
Differs from incerta by its more compact, less slender shape, and by the flatter whorls.
In grit at 8m deep, Ansa dels Reguers, Collioure, Pyrénées-Orientales, S. France. 1,6mm.