australis (Sowerby, 1833)
Shell with rounded whorls, with a deep channel at the suture.
No axial sculpture; spiral sculpture of fine, widely spaced
grooves, stronger on anterior end of the body whorl, and a single deep
groove at anterior of body whorl. Outer
lip smooth, with a small spike at the termination of the deep groove on
unbroken shells; columella smooth, terminating in a broad siphonal
notch. Colour pale pinkish
fawn with dark brown patches on the shoulder which become irregular
zigzag streaks or dots and splashes of brown on the remainder of the
body whorl, and a second more inconspicuous row
of patches at the base. Umbilicus
absent or rarely a minute chink. Operculum
corneous, large, filling the aperture.
Up to 31 mm in length.
Known from 3-146 metres, on fine to coarse sand; occasionally beach
The anatomy of this species is described by Ponder and Darragh
Copyright Des Beechey 2004