Shell small, 4.6 - 11.4 mm., narrowly biconic, with an elongated spire, and whorls angulate to moderately rounded at the periphery. Protoconch slender of 2,5-3 whorls, tip immersed, regularly increasing, smooth, except for the last whorl or half whorl, which bears curved protractive axial riblets. Aperture rather narrow, anterior canal very short, hardly differentiated, slightly emarginate. Outer lip simple, thin except at intervals corresponding to the position of varix-like ribs. Sinus wide, shallow to moderately deep, occupying most of the shoulder slope. Adult sculpture of low narrow axial ribs crossed by minutely granulose spiral threads. No apertural denticles or processes. Range — Recent — North Carolina, Florida and the Caribbean. Pliocene — Florida Miocene — North Carolina, Jamaica and Dominican Republic.