Shell: , oblong ovate to sub-pyriform, ranging from mm.
Spire concealed. Teeth: 19 columellar teeth; 21 labral teeth.
Sculpture: smooth, porcelaneous; outer lip thickened.
Exterior colour cream to pale blue with central brown band and blotch, covered with diffuse tan flecks; base and margin cream with large diffuse spots on the margins. Mantle line indistinct.
Specimens
Flat Rock, Australia Size: mm Collected: 2000 found dead in sand on rock reef
Hutchinson Shoal, Australia Size: mm Collected: 1999 found dead in 15m of water on coral reef
Bundergi Reef , Australia Size: 29.58mm Collected: Unknown Collected from under dead coral and rubble at extreme low tide.
Baudisson Bay, Papua New Guinea Size: 29.8mm Collected: Unknown Collected from rubble at 15-35m by diver.
Zanzibar, Tanzania Size: 34.85mm Collected: Unknown Collected from shallow reef at low tide by local collectors.
forma: alisonae (Burgesss, 1983) Hawaii. Heavy, calloused, large lateral spots; conspicuous dorsal blotch Fort Kamehameha, United States Of America Size: 43.79mm Collected: Unknown Collected from under rocks on rubble slope at 6-7m by diver.
forma: polynesiana Raybaudi, 1992 Point Motumano, Marquesas Size: 25.31mm Collected: 2000 Collected from rocks and rubble at 20-30m by diver.