The shell is narrowly umbilicate, obtusely conical, and lustrous with a smooth surface and a light brown or greenish-horn coloration.
It exhibits 4 convex whorls that gradually increase in size, separated by a regularly impressed, moderately deep suture.
The aperture is rounded anteriorly and somewhat angular posteriorly, with a bluish-white interior.
The outer lip is simple, sharp, and connected by a thickened callus.
The type locality is mountain streams which are tributary to Pyramid Lake in northwestern Nevada.