"Fossils" compared (IMAGE) University of Florida Caption What at first looked like a Dickinsonia fossil (on the left) had decayed and started peeling off the rock in just a few short years (on the right), a sign it was something much more modern. Credit Gregory Retallack/Joe Meert Usage Restrictions None License Original 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.