Cerrejon Turtle Excavation (IMAGE) Smithsonian Tropical Research Institute Caption Paleontologists unearth the carapace of the giant turtle, Puentemys, which lived 60 million years ago in a hot tropical forest environment. Credit Edwin Cadena Usage Restrictions Credit: Edwin Cadena 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.