Amphidromus hamatus Fulton, 1896
Morphology:
Fulton (1896) original descriptions on Amphidromus adamsi hamatus – “Shell sinistral, ovate-conic, almost imperforate, thin, obliquely striate; whorls 6 to 6½, convex, somewhat depressed at the suture; colour either yellow or suffused with pink, with a light red-brown zone at the umbilical area and a band of the same colour just below the periphery; whorls ornamented with short hooked or zigzag markings; columella white, thin; lip white and slightly expanded.”
Distribution:
Type locality – “Labuan island” (Fulton, 1896); “Niah hills, Sarawak” (Laidlaw & Solem,)