Zuul crurivastator photo and illustration (IMAGE) Royal Ontario Museum Caption Zuul crurivastator photo and illustration with injured spikes marked in red. Credit Credit: Danielle Dufault, © Royal Ontario Museum Usage Restrictions For use with this story only. 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.