Patagonia (IMAGE) Penn State Caption The Laguna del Hunco fossil site in Chubut, Patagonian Argentina. Paleontologists at center of frame are collecting diverse plant fossils, including abundant leaves of Fagaceae. Credit Peter Wilf, Penn State Usage Restrictions non commercial use only 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.