Illustration - mammal-dino encounter (IMAGE) Canadian Museum of Nature Caption Illustration showing Repenomamus robustus as it attacks Psittacosaurus lujiatunensis moments before a volcanic debris flow buries them both, ca. 125 million years ago. Credit Michael Skrepnick Usage Restrictions For use only with articles about the journal paper. 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.