Dickinsonia (IMAGE) University of California - Riverside Caption An extremely well-preserved example of the fossil animal Dickinsonia costata found in a bed that was recently excavated by UCR researchers. Credit UC Riverside 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.