Description: Shell tall and slender, glossy, whorls rounded, sutures deeply
channeled, aperture one-third to one-half of total shell length.
Outer lip of aperture smooth inside and out.
Posterior canal deep, forming the channeled suture.
Anterior canal short and wide.
Columella smooth, concave, with a strong plait at the bottom.
Fasciolar band thickly calloused, white, with a sharp edge commencing
adjacent to centre of aperture. Protoconch
and early spire whorls white; rest of shell covered with spiral bands of
brown patches, variable in shape, often square or chevron shaped; two
bands visible on spire whorls, three on body whorl.
Patches in upper row often joined to make continuous brown band.
Operculum horny, large, filling the entire aperture.
Up to 11 mm in length.
Distribution: Endemic to
Occasionally taken as empty beach shells, but lives subtidally,
down to 100 metres. Uncommon.
Figs. 1,2: Sydney Harbour (C.331031)
Copyright Des Beechey 2000