Lucy Skeleton (IMAGE) University of Texas at Austin Caption This is Lucy, a 3.18 million year old fossil specimen of Australopithecus afarensis. Credit Image provided by John Kappelman, UT Austin 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.