Shell is dextral, rimate, ovate, thin, smoothish, somewhat glossy, pellucid, brownish-tawny. The shell has 5 to 5 ½ whorls, convex, the last nearly two-fifths the altitude, rounded at base, anteriorly having a somewhat swollen crest.[5]
Aperture is slightly oblique, semiovate or piriform, obstructed by 3 teeth: in the middle of the parietal wall, on the columella, and a smaller one in the palate (frequently wanting). Peristome is spreading, slightly labiate, the margins joined by a callus, the right margin very strongly curved above, columellar margin is somewhat dilated, spreading.[5]
The width of the adult shell is about 2.5 mm, the height about 1.5 mm.[5]
^ abcdPilsbry H. A. & Cooke C. M. 1918-1920. Manual of Conchology. Second series: Pulmonata.Volume 25. Pupillidae (Gastrocoptinae, Vertigininae). Philadelphia. page 189.
Wallenberg, C. von (1858). Beschreibung einer neuen Pupa. Malakozoologische Blätter, 5: 32