Fossil Alga (IMAGE) University of Bristol Caption This is a fossil alga from the Doushantuo biota imaged using synchrotron tomography. The specimen has been virtually cut to reveal the internal anatomy. These fossils are thought to be red algae. Credit John Cunningham, University of Bristol. 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.