Shell oblong, fusiform, rather solid, white, faintly tinged with yellowish-brown ; spire acutely conical, half the length of the shell; whorls embryonal 3, rugose, brownish-horn color; normal whorls 6, convexly angular, last one very large, swollen, much contracted and produced at the base; longitudinally ribbed, ribs small, closely set, rounded, becoming obsolete on the body whorl, which latter exhibits several periodical varices; whole surface with numerous small unequal-sized, more or less crenulate revolving ridges ; aperture elliptically oval, half the length of the shell ; peristome thick, finely crenulate, arched, sinus small; columella smooth and polished.
Length 8 mm.