Small to medium sized shell (15-20mm diameter, occasionally larger). Shape lenticular to trochiform, or rarely discoidal or helicoid. Peripheral keels or carinal serrations are sometimes present. The shell sculpture is variable and consists of fine spiral striae and strong radial ribs or weak radial growth lines. The umbilicus is usually wide and the aperture may or may not have lamellae. Shell colour is variable. Supraperipheral and basal red bands are present in some species.
References
- Stanisic, J. (1998). Family Helicarionidae. pp. 1105-1106 in Beesley, P.L., Ross, G.J.B. & Wells, A. (eds). Mollusca: The Southern Synthesis. Fauna of Australia. Melbourne : CSIRO Publishing Vol. 5 Part B pp. 565-1234.