Aenigmatoconcha sumonthai

Aenigmatoconcha sumonthaiThe shell is strongly depressed to depressed. The sutures between shell whorls are impressed. The umbilicus is open. During dormancy it forms a calcareous epiphragm with a small perforation, limiting body-water evaporation while allowing respiratory gas exchange. It is recorded from a few limestone hills in Chumphon Province, Thailand.What does it look like?The shell is strongly depressed to depressed.Where and how does it live?During dormancy it forms a calcareous epiphragm with a small perforation, limiting body-water evaporation while allowing respiratory gas exchange.The sutures between shell whorls are impressed.The umbilicus is open.Keeping it safeAn extinction-risk assessment has not been added yet.