Snail (IMAGE) U.S. National Science Foundation Caption A recently discovered gastropod from the Kairei Indian hydrothermal vent, called Crysomallon squamiferum, has an unusual shell structure superbly suited for protecting it against penetration attack. Credit Zina Deretsky, National Science Foundation Usage Restrictions None 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.