(IMAGE) Smithsonian Tropical Research Institute Caption Fossil remains of a turtle shell from 6 million years ago were found in Piña Beach, on the Caribbean coast of Panama. Credit Carlos De Gracia, University of Vienna and STRI Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. License CC BY-NC 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.