Shell small, oblong, rounded at each end. Whorls few. Protoconch low, dome-shaped. Colour yellow and brown, uniform or variegated. No differentiation of fasciole area. Sculpture of obscure radial ribs and faint spiral grooves. Aperture rather wide, smooth within, the sinus shallow, lip simple, canal short and wide, with an everted margin; columella concave and twisted. Type Mitromorpha brazieri Smith.