Thais ambustulatus Hedley 1912
Description: Shell heavy. Body whorl sculptured with 6 or 7 broad, low, nodulose axial folds, most prominent on shoulder, fading away above and below, and present on spire as one row of nodules. Spiral sculpture of dense ribs, about 14 on spire and 32 on body whorl, with two on the shoulder and 2 or 3 on the body whorl being larger. Spiral ribs finely scaled. Columella smooth, outer lip with 4 teeth deep inside the aperture. Umbilicus open. Colour cream with chocolate brown axial folds.
Size: Average length 25 mm, maximum 38 mm.
Distribution: Endemic to Australia; Bowen, Qld, to Sydney Harbour, NSW.
Habitat: Intertidal and subtidal, on rocky shores. Uncommon intertidally, more common subtidally
Figs. 1,2: Woody head, Iluka, NSW (C.337905)
Copyright Des Beechey 2000