Shell: medium, solid, elliptical to sub-cylindrical, ranging from 56-68 mm.
Spire concealed. Teeth: 32 columellar teeth; 36 labral teeth.
Sculpture: smooth, porcelaneous.
Exterior colour yellow to fawn crossed by four darker transverse bands; base and margins black to dark brown; interstices between teeth are pale .
Specimens
Hutchinson, Australia Size: 56.8mm Collected: 1999 found two specimens, one alive and one dead. dead: shell crushed in many fragments- eaten by something
Swains Reef, Australia Size: 68.1mm Collected: Unknown Collected by diver.
Coral Bay, Western Australia, Australia Size: 73.42mm Collected: Unknown Collected from Under large slabs of limestone on flat limestone substrate with strong current at 8-10 m by scuba diver. Collected by Hugh Morrison Dark, banded shells. Rare from WA,
Christmas Island, Christmas Islands Size: 62.86mm Collected: Unknown No data. Dead collected Rare location.
General Store, Solomon Islands Size: 61.1mm Collected: 1999 Found dead in cave under the reef. Decomposing animal was still inside, must have been dead for a week or two. in 5m of water.
Madang, Papua New Guinea Size: 63.2mm Collected: 1983 No data.
Port Moresby, Papua New Guinea Size: 57.04mm Collected: 1984 bought from villagers
Rabaul- Old, Papua New Guinea Size: 57.81mm Collected: 2005 Collected by scuba diver.
forma: saturata Duatzenberg, 1903 Nadroga, Fiji Size: 62.84mm Collected: 1965 Collected from Amongst boulders on shallow reef at 2-3 m at night. Collected by Unknown collector November 1965
forma: lewallorum Lorenz, 2015 Niue, Niue Size: 29.17mm Collected: Unknown Collected from beach drift on a narrow cove by hand [low tide]. Dead collected Collected by Hugh Morrison
Lombok Island, Indonesia Size: 62.5mm Collected: Unknown Collected at 3-5 m by scuba diver. Collected by Local fishermen
forma: lewallorum Cebu Island, Cebu, Visayas, Philippines Size: 41.17mm Collected: 2000 Collected from under coral slab on shallow reef by scuba diver. Dead collected Collected by Unknown collector May 2000
Cebu, Cebu, Visayas, Philippines Size: 86.71mm Collected: 1996 Collected from Under coral slab on coral reef at 10 m by scuba diver. Collected by Unknown collector 1996
Punta Engaño, Cebu, Visayas, Philippines Size: 57.81mm Collected: Unknown Collected at 6 m. Rare colour form.
Ranong, Thailand Size: 79.53mm Collected: Unknown Collected from deepwater by Thai prawn trawlers. Very light shell.
forma: lewallorum Lorenz, 2015 Palawan Island, Luzon, Philippines Size: 43.71mm Collected: Unknown Collected at 8-10 m by Hookah diver. Dead collected Collected by Local divers
Takeoka, Chiba Prefecture, Japan Size: 64.43mm Collected: 1995 No data. Dead collected Collected by Unknown collector October 1995 Rare location.
Troux-Au-Biches, Mauritius Size: 67.15mm Collected: Unknown Collected from under large dead coral slabs at 15-20 m by scuba diver. Very black base.
Nacala Bay, Mozambique Size: 50.56mm Collected: Unknown Collected from sand and rubble at 15-25 m by scuba diver at night. Rare from this location
forma: imperialis F. A. Schilder & M. Schilder, 1938 Zanzibar Island, Tanzania Size: 65.28mm Collected: Unknown Collected from sand and rubble by hand [low tide]. Collected by Local divers Rare from this location
forma: rundorum Bridges Oahu, Hawaii, United States Of America Size: 71.65mm Collected: 1971 Collected from Under corals on Reef at 20-25 m by scuba diver. Dead collected Collected by Tom Richert October 1971
Asau, Western Samoa Size: 42.2mm Collected: Unknown Collected from under dead coral slabs at 1-3 m.
forma: vivida Bridges Point Motumano, Marquesas Islands Size: 67.1mm Collected: 2000 Collected from among rocks and rubble at 5-10 m by scuba diver. Collected by Hugh Morrison October 2000 Very rare from this location