Ground colour white to greyish white, often suffused with bluish shades. In typical form, last whorl with a variably broad, yellowish brown spiral band on each side of centre; bands sometimes additionally tinged with olive. Distinctly and obsolety banded shells intergrade. Dashed and dotted or solid brown spiral lines extend from base to subshoulder area, varying in number and arrangement. Base, siphonal fasciole and basal part of columella dark bluish to brownish violet. Teleoconch sutural ramps with sparse to numerous brown radial markings, sometimes immaculate. Aperture violet at base; remaining area immaculate or external pattern visible within.