Size: Up to 11mm high; 5mm broad (though more commonly half this size). Shape: Relatively tall shell with the last whorl making up about XXX% of the total shell height. Has a short but wide siphonal canal and pronounced anal sinus slightly away from the wall on the last whorl. Colour: Two forms: 1) tawny with orange brown spiral bands possibly interrupted to form streaks. 2) Spire and half the last whorl chocolate brown, base cream or tawny. There is a brown blotch in the middle of the outer lip and another in the throat. Sculpture: Possesses costae (7-8 on the last whorl) and spiral ridges (100 on the last whorl). Animal: White with opaque white markings and some pink on the siphon. There are two cephalic tentacles with an eye about half way along each. No operculum on foot.
Recorded from many locations but mainly in the south and west.