Life in An Ancient Ecosystem (IMAGE) California Academy of Sciences Caption An ancient relative of crocodiles and birds (left) attacks an ancient relative of plant-eating mammals (right) in an illustration depicting life 240 million years ago. Credit © 2016 Marlene Hill Donnelly Usage Restrictions Illustration for editorial use only. Mandatory credit. 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.