Shell: moderately small, solid, oblong ovate, ranging from 23-32 mm.
Spire concealed. Teeth: 15 to 18 columellar teeth; 18 to 20 labral teeth.
Sculpture: smooth, porcelaneous.
Exterior colour blue-grey with indistinct brown spots and a large irregular central brown blotch; base yellowish with indistinct brown spots on sides; light orange blotches on each side of the anterior and posterior.
Specimens
Subspecies: Bistolida stolida lorrainae Lorenz, 2017 Queensland. Teeth unstained, shorter; spire exposed, umbilicate; blotches on margin reduce and often not connected to the dorsal blotch. Big Sandy Reef 21-546, Australia Size: 23.96mm Collected: Unknown Collected from under rubble at 8 m. Unspotted shell
forma: dampieria Raybaudi, 1992 Teeth finer, unstained; extremities less rostrate; columellar teeth shorter anteriorly. Broome, Australia Size: 24.12mm Collected: Unknown Collected from sand and rubble on exposed sand bars at extreme low tide [-0.5m]. fine teeth, short anterior
Subspecies: Bistolida stolida crossei (Marie, 1869) Grand Central Station, Solomon Islands Size: 27.12mm Collected: Unknown Collected from reef at 5m by diver.
Subspecies: Bistolida stolida crossei (Marie, 1869) Uepi Point, Solomon Islands Size: 23.69mm Collected: Unknown Collected from reef at 5m by diver.
Rabaul, Papua New Guinea Size: mm Collected: 1989 No data.
Subspecies: Bistolida stolida crossei (Marie, 1869) New Caledonia, New Caledonia Size: 26.57mm Collected: Unknown No data
Mactan Island, Philippines Size: 28mm Collected: Unknown Collected from 9m.
Bohol, Philippines Size: 23.4mm Collected: 2015 Collected from walls of cave at night 15-20m by local collectors. bought 8/4/15
Nocnocan Island, Philippines Size: 32.08mm Collected: Unknown Collected from 2-20m by hookah diver.
Wreck Of Hatsu Taka, Malaysia Size: 26.11mm Collected: Unknown Collected from under steel plates on wreckage of Japanese mine laying ship
Samar Island, Philippines Size: 32.06mm Collected: Unknown No data.
Subspecies: Bistolida stolida brianoi Lorenz, 2002 Madagascar. Curved aperture; columellar teeth restricted to aperture or extending onto base as feint ridges towards the posterior. Sparse and finer marginal spotting. Nosy Be, Madagascar Size: 28.34mm Collected: Unknown Collected from dead coral at 20-22 m by scuba diver.
Subspecies: Bistolida stolida clavicola Lorenz, 1998 East Africa. Dorsal profile slightly flattened; base plain white; fine spotting on the margins teeth rarely reddish. Zanzibar, Tanzania Size: 30.2mm Collected: Unknown No data
Subspecies: Bistolida stolida clavicola Lorenz, 1998 East Africa. Dorsal profile slightly flattened; base plain white; fine spotting on the margins teeth rarely reddish. Bajuni Island, Somalia Size: 24.45mm Collected: Unknown Collected from under rocks and sponge by scuba diver.
The Gneerings off Mooloolabah, Australia Size: mm Collected: 1989 Collected by diver. Courtesy S Grail.
