Shell small to medium sized, up to 30 mm., narrowly fusiform, of light build, Fusinus-like. Protoconch narrowly conic, of 1 3/4 to 2 3/4 smooth whorls with a small erect nucleus. Adult sculpture of stout fold-like oblique axials, overridden by spiral threads and cords; same, including the type species, with a low-set peripheral biangulation. Sinus wide, moderately deep, adjoining the suture and confluent below with a great arcuate forwardly projected expansion of the outer lip, which gives the impression of great depth to the sinus. Anterior canal moderately long and straight, unemarginate at its extremity. Radula of marginals only, wishbonetype, but long and narrow. Range — Recent from Panama and West Mexico and Miocene in the Caribbean.