Shells of South
East Queensland

Tweed Heads to Noosa

Turbo petholatus

Linnaeus, 1758
Shell moderately large, thick and heavy, turbinate in shape with length equal to or slightly greater than width. Spire well developed, pointed, whorls strongly convex with a rounded outline becoming somewhat flattened beneath the impressed sutures. Outer surface of shell smooth and highly polished. Aperture rounded-ovate, extending on about half the total length of shell. Outer lip thin, smooth inside. Columella smooth, without an umbilicus. Operculum nearly circular in outline, with a subcentral nucleus and a convex, smooth external surface. Colour: outside of shell variable in colour and pattern, usually brown, red, orange, or greenish, often ornamented with dark spiral bands and/or thin, chevron-shaped, pale-coloured axial stripes. Aperture silvery white inside, often suffused with yellow, orange or green on margins, especially on inner-lip margin. Exterior of operculum shiny, bluish green in the centre, becoming brown towards the margins.


Turbo petholatus
Turbo petholatus
Turbo petholatus
Hutchinson's Shoal,  Australia
Size: 0mm    Collected: 1999
found dead on coarl reef in 15m of water in coral crevise