Shell small (10-14 mm), narrowly claviform with high spire, base somewhat gradually tapering, truncate, not oblique, siphonal canal short, not notched; labrum preceded by a varix, anal sinus broad, gently concave and relatively shallow, sometimes barely developed, parietal nodule small or absent; axial ribs strong, suture-to-suture, crossed by fine spiral striae; no subsutural cord or groove. Protoconch more or less mammillated, of 2,5-4 whorls, the first one small, smooth except for a few brephic axials. Operculum oblanceolate with terminal nucleus. Radula of marginal plates only, shaft slender and relatively short, blade broadly triangular with double cutting edge, accessory limb strong and nearly as long as marginal itself. Tentacles short with eyes on large basal lobes; sperm duct opening into a pit at tip of penis.