Shell slender, elongate, subulate, smooth, shining, subpellucid, white, with a revolving yellowish-brown line just above the suture ; spire very long, cylindrically tapering ; whorls 10-11 ? (apex fractured ; whorls remaining 9) planoconvex, last one slightly produced at the base, under the lens rudely striated with lines of growth ; suture deeply impressed ; aperture oblique, ovate, acutely angular above, lyrate within, lyrae very delicate, several in number, revolving in the interior of the shell; peristome thin, simple ; columella concave, slightly reflexed, and the revolving fold stout.
Length 10,5 mm.