Shell: moderately small to medium, solid, ovate to sub-pyriform, ranging from 26-59 mm.
Spire concealed. Teeth: 17 to 19 columellar teeth; 18 to 22 labral teeth.
Sculpture: smooth, porcelaneous.
Aperture elongate, narrow.
Exterior colour fawn to blue grey; dorsum covered in diffuse overlapping spots of varying size and colour; base and margins cream, interstices between teeth stained orange; margins cream with prominent dark spots; terminal spots at each end. Mantle line distinct.
Specimens
Mackerel Reef 21-466, Australia Size: 59.34mm Collected: 2011 Dead collected on coral reef between 5-20m depth. Taken on scuba.
Myora Reef, Australia Size: 54.79mm Collected: 2002 Collected at low tide.
Dingo Beach, Australia Size: 40mm Collected: Unknown On intertidal reef under coral slabs.
Wilson Island, Australia Size: 32mm Collected: 1997 On intertidal reef under coral slabs.
Lamont Reef, Australia Size: 35mm Collected: 2003 On intertidal reef under coral slabs.
Gould Reef, Australia Size: 26mm Collected: 2001 On intertidal reef under coral slabs.
Scawfell Island, Australia Size: 30mm Collected: Unknown Dead collected on intertidal reef.
Tryon Island, Queensland, Australia Size: 44.51mm Collected: Unknown Collected on intertidal coral reef by hand at low tide. Collected by Robert Ellis 9/8/1990
Wreck Island, Queensland, Australia Size: 47.13mm Collected: Unknown Collected from Under coral slab by hand [low tide]. Collected by Robert Ellis 22/8/1975
Lamont Reef, Queensland, Australia Size: 34.47mm Collected: Unknown Collected from Under coral slab on intertidal reef by hand [low tide].
Uepi- Dive Jetty, Solomon Islands Size: mm Collected: 2016 found dead in 1m of water near coral rocks on reef
General Store, Solomon Islands Size: mm Collected: 2000 found dead in sand on coral reef
forma: michaelis Melvill, 1905 Polynesia. Smaller, depressed, calloused margins Papua Mote, Cook Islands Size: 37.97mm Collected: 1998 Collected from under dead coral slabs at 1-2 m.
Quayles Reef, Papua New Guinea Size: mm Collected: 2001 found dead in sand on coral reef at 15m
Port Moresby, Papua New Guinea Size: mm Collected: 1983 No data.
Goat Island, Australia Size: mm Collected: 2000 Collected by diver. Courtesy S Grail.