Synonym verduini van Aarsten, 1987, who writes: « The embryonic whorls arre of type B […] Sculpture: except for the strongly prosocline growth lines there is a faint spiral striature all over the whorl as well as one spirally incised line at about one third from above (abapically) at each whorl. Last whorl: occupying about 0.60 of the total length. Mouth: slightly oval, occupying about 0.35 of the total length. Columella: concave, with a clear tooth, somewhat adapical from the middle. » – J. J. van Aartsen: “ European Pyramidellidae: III. Odostomia and Ondina, Bollettino Malacologico vol.23(1-4), Milano 1987, p.5.