Ancient Sea Otter Fossil (IMAGE) University at Buffalo Caption This is the jawbone of Enhydritherium terraenovae, found recently in Mexico. Credit Jack Tseng, University at Buffalo. 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.