Shell medium-sized to large, tall, slender, with many rounded, spirally sculptured whorls; aperture thin, devoid of canal but bearing an undulating labial sinus. The colour is usually brown to whitish, with no pattern contrary to what occurs in the similarly shaped members of the family Terebridae.
 

Aperture oval, subangular abapically and adapically. Operculum paucispiral.
 

Aperture squarish. Operculum multispiral.
 

The genus is monotypic. Aperture rounder than in Turritella or Mesalia.