Shell: small to moderately small, Ovate, ranging from 15-20 mm.
Teeth: 14 to 17 columellar teeth; 14 to 17 labral teeth.
Sculpture: smooth, porcelaneous.
Specimens
forma: nashi (Iredale, 1931) This form is from Queensland, Northern NSW. Teeth short; sparse dorsal spots. Hutchinsons Shoal, Australia Size: mm Collected: 2013 found dead in crevice on coral reef at about 15m Also found another 2 specimens in the same area on 12/2/2017 at about 15m See dive log #266
forma: nashi (Iredale, 1931) This form is from Queensland, Northern NSW. Teeth short; sparse dorsal spots. Hutchinsons Shoal, Australia Size: 20.44mm Collected: 2000 found dead in sand on reef in 10m of water
forma: nashi (Iredale, 1931) This form is from Queensland, Northern NSW. Teeth short; sparse dorsal spots. Hutchinsons Shoal, Australia Size: mm Collected: 1999 found dead in sand on the oceanic side of the reef shell has lost its lustre, but the pattern is still visable
forma: nashi (Iredale, 1931) This form is from Queensland, Northern NSW. Teeth short; sparse dorsal spots. Hutchinsons Shoal, Australia Size: mm Collected: 2003 found dead in sand on coral reef
forma: nashi (Iredale, 1931) This form is from Queensland, Northern NSW. Teeth short; sparse dorsal spots. Hutchinsons Shoal, Australia Size: mm Collected: 2003 found dead in sand on coral reef
forma: nashi (Iredale, 1931) This form is from Queensland, Northern NSW. Teeth short; sparse dorsal spots. The Wrecks to Myora Light, Australia Size: mm Collected: 1989 found under slabs of coral with sand, mud and coral rubble bottom 0.4m tide
forma: helenae (Roberts, 1869) This form from Melanesia. Dorsal and marginal spots large and dense. Naru Wall, Solomon Islands Size: 15.13mm Collected: 2000 found dead in sand and coral rubble on coral reef in 5m
forma: helenae (Roberts, 1869) This form from Melanesia. Dorsal and marginal spots large and dense. Hot Spot, Solomon Islands Size: 15.08mm Collected: 2000 found at 5m on coral reef dead in sand also saw one under a rock sitting on eggs.
forma: helenae (Roberts, 1869) This form from Melanesia. Dorsal and marginal spots large and dense. Charapoana Island, Solomon Islands Size: 15.8mm Collected: 2000 found dead in sand and coral rubble on coral reef at 10m
forma: helenae
This form from Melanesia. Dorsal and marginal spots large and dense. Uepi Point, Solomon Islands Size: 15.21mm Collected: 2002 found dead in sand and coral rubble on coral reef at 10m
Amity Point, Australia Size: mm Collected: 2016 forma: nashi Collected by diver. Courtesy D Preston.
Gold Coast, Australia Size: mm Collected: 2011 forma: nashi Collected by diver. Courtesy D Preston.
The Gneerings off Mooloolabah, Australia Size: mm Collected: 1999 Collected by diver. Courtesy S Grail.
