Shell: , Ovate, ranging from 23-25 mm.
Sculpture: smooth, porcelaneous.
Specimens
Hutchinson Shoal, Australia Size: mm Collected: 1999 found dead in sand on reef in 15m of water
forma: tomlini (Schilder, 1944) More elongate; longer columellar teeth; marginal spots sparse and large but do not extend onto the base. Mudjimba Island, Australia Size: 20.28mm Collected: Unknown No data.
Subspecies: Naria cernica viridicolor  (C. N. Cate, 1962) This subspecies from Arafura Sea, Western Australia and the Great Australian Bight. Rhomboid coarser collumelar teeth; dorsum greenish brown; marginal spots large and crowded. North West Cape, Australia Size: 25mm Collected: 1996 In limestone rubble at 20m.
Subspecies: Naria cernica viridicolor  (C. N. Cate, 1962) This subspecies from Arafura Sea, Western Australia and the Great Australian Bight. Rhomboid coarser collumelar teeth; dorsum greenish brown; marginal spots large and crowded. Shark Bay, Australia Size: 23.96mm Collected: Unknown Collected from cup sponges at 30m [100ft].
forma: tomlini (Schilder, 1944) More elongate; longer columellar teeth; marginal spots sparse and large but do not extend onto the base. Noumea, New Caledonia Size: 27.73mm Collected: Unknown Collected from coral rubble on coral rubble at 15-20 m by scuba diver at night. Rare from this location.
forma: ogasawarensis (Schilder, 1944) Bogo Village, Philippines Size: 22.43mm Collected: Unknown Collected from lumps of dead coral on coral rubble at 100-200 m with Tangle nets [lumen lumen].
forma: ogasawarensis (Schilder, 1944) Lightweight. Columellar teeth shorter in mid section; dorsal spotting fine and dense, denser marginal spots which extend onto the base. Okinawa, Japan Size: 25.04mm Collected: Unknown Collected from lumps of dead coral on coral rubble at 100-200 m
Saint Denis, Reunion Size: 17.32mm Collected: Unknown Collected from under dead coral rub on coral rubble at 18-20 m by scuba diver.
Flic en Flac, Mauritius Size: 16.73mm Collected: Unknown Collected from under rocks on floor of cave at 20 m by scuba diver.
Gold Coast, Australia Size: mm Collected: 2018 forma tomlini Collected by diver Courtesy D Preston.