Shells of Stenomelania snails (IMAGE) Pensoft Publishers Caption Shells of the studied thiarid snails (genus Stenomelania) found in Thailand. Credit Apiraksena K, Namchote S, Komsuwan J, and Krailas D. Usage Restrictions CC-BY 4.0 License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.