Artist's Impression (IMAGE) University of Bristol Caption This image shows denizens of the deep 210 million years ago near Bristol. An ichthyosaur sizes up the armoured fish, Dapedium, at bottom left. Sharks and ammonites swim in the background in tropical seas Credit Drawing by Valentina Rossi, one of the lead authors of the work Usage Restrictions The image is for single-use only, should include copyright information and should not be archived. 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.