Medium to large, recent species brightly coloured. Whorls flatly convex to convex, spire straight-sided. Aperture sub-circular to sub-quadrate. Base flat to flatly convex. Protoconch paucispiral, asymmetric to axis of coiling, about 1,5 whorls, clear and glasslike, nucleus not usually submerged. Labial sinus orthocline, broad and very shallow. Primary spirals emerge in order, B, C, A. Spiral cords medium to strong.