Shell: moderately small, ranging from 31-33 mm.
Teeth: 15 columellar teeth; 16 labral teeth.
Sculpture: smooth, porcelaneous.
Specimens
Point Cartwright, Australia Size: 33mm Collected: 2018 in rock pools with sand and algae on intertidal rock platform at low tide.
Point Arkwright, Australia Size: 32mm Collected: 2018 in rock pools with sand and algae on intertidal rock platform at low tide.
Caloundra [Nth Headland], Australia Size: 31mm Collected: 1962 On rock platform at low tide.
Shag Rock, Australia Size: 0mm Collected: 1998 found in 2m of water in crash zone on rock common in area
Myora light, Australia Size: 0mm Collected: 1989 under coral slabs in 50cm of water sand and mud bottom with coral rubble 0.4m tide
Caloundra [Nth Headland], Australia Size: 0mm Collected: 1987 found in 2m of water on rocky reef found in a pair
Hutchinsons Shoal, Australia Size: mm Collected: 2000 found dead on rocky reef in 15m of water
Sykes Reef, Australia Size: 0mm Collected: 2019 Under coral rock on weather edge of reef at low tide.
Lamont Reef, Australia Size: 35mm Collected: 2019 Under rocks and coral slabs on intertidal reef. Located on weather edge of the reef.
Pelorus Island, Australia Size: 31mm Collected: 1962 No data.
Dingo Beach, Australia Size: 31mm Collected: Unknown No data.
Direction Island, Australia Size: 37.29mm Collected: Unknown Collected from small hollows on exposed reef at low tide.
Fish Rock Cave, Australia Size: mm Collected: 1999 found dead in cracks in the rocks quite good condition
Subspecies: Monetaria caputserpentis kenyonae Schilder & Schilder, 1938 Margins less expanded; teeth longer, interstices dark; aperture wider, Rottnest Island, Australia Size: 45.23mm Collected: Unknown Collected from small depressions on reef flats at low tide.
Subspecies: Monetaria caputserpentis kenyonae Schilder & Schilder, 1938 Margins less expanded; teeth longer, interstices dark; aperture wider, Broome, Australia Size: 33.35mm Collected: Unknown Collected from small depressions on reef flats at low tide.
Subspecies: Monetaria caputserpentis kenyonae Schilder & Schilder, 1938 Margins less expanded; teeth longer, interstices dark; aperture wider, Abrolhos Islands, Australia Size: 31.79mm Collected: 2006 Collected from small depressions on reef flats at low tide.
Bass Point, Australia Size: 40.58mm Collected: Unknown Collected by hand [low tide].
General Store, Solomon Islands Size: mm Collected: 2000 found dead on rocky reef in 15m of water
Nadroga, Fiji Size: 23.04mm Collected: Unknown Collected from hollws on shallow reef.
Tufi, Papua New Guinea Size: mm Collected: 1984 found two in 1.5m of water on a coral reef under a rock
Port Moresby, Papua New Guinea Size: mm Collected: 1983 No data.
Man Friday Resort, Fiji Size: mm Collected: 1997 found dead on coral reef in 2 meters of water. also saw a number of live specimens in crevices on the reef
forma: aruni Lorenz, 2017 Transverse red band on margin. Palawan Is, Philippines Size: 23.68mm Collected: Unknown No data.
Trincomalee, Sri Lanka Size: 48.72mm Collected: Unknown Collected from among stones at 4m.
Zanzibar, Tanzania Size: 27.96mm Collected: Unknown Collected from shallow reef at low tide.
Majuro Atoll, Federated States Of Micronesia Size: 30.1mm Collected: Unknown Collected from exposed reef at low tide. Very flat, unusual shape
Ile aux Cerfs, Mauritius Size: 33.4mm Collected: Unknown Collected from small lumps of coral at 1m. An elongate specimen.
forma: meae Lorenz, 2017 Taioha'e Bay, Marquesas Size: 35.16mm Collected: Unknown Collected from in hollows on intertidal rocks. at 0.7 m at low tide.
Subspecies: Monetaria caputserpentis argentata Dautzenberg & Bouge, 1933 From Polynesia; dorsum white. Ahe, French Polynesia Size: 28.96mm Collected: Unknown Collected from under coral slabs at low tide.
