Shell depressly orbicular, whitish, rather thick, spire broadly and depressly conical; whorls 5, tabulate, regularly and rapidly increasing, last one very large, rounded, girdled with eight prominent ribs, the second one on the shoulder crenulate, all narrower than their interstices, excepting those on the base, which are more closely set; the crenulate and the upper plain ridge ascending the whorls of the spire; the concave interstices with crowded oblique raised striae ; suture margined by the upper ridge; umbilicus deep, exhibiting the volutions, margined by the last rib, striated with coarse oblique raised lines, and about one-third the greatest diameter of the shell; aperture circular, diagonal; peristome thick, united by a callus.
Diam. Greatest 4,5 mm; height 3 mm.