Rhiostoma samuiense

Rhiostoma samuienseThe shell is thick and nearly flattened. The detached whorl is medium to long, curved and descending, and sometimes twisted. The breathing device at the top of the aperture is knob-shaped. The Samui Island population occurs on a granitic island. It occurs on Samui and nearby islands, and on the mainland from southern Thailand to northern Peninsular Malaysia.What does it look like?The shell is thick and nearly flattened.Where and how does it live?The Samui Island population occurs on a granitic island.The detached whorl is medium to long, curved and descending, and sometimes twisted.The breathing device at the top of the aperture is knob-shaped.Keeping it safeAn extinction-risk assessment has not been added yet.