Leaf Fossil (IMAGE) University of Exeter Caption This is the 48-million-year-old fossil leaf from Messel which bears the tell-tale death grip scars. Credit Torsten Wappler 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.