Old Hidden Face (image) University of Chicago Caption Full-body portrait of Kryptops. Credit Copyright Todd Marshall, courtesy of Project Exploration. Usage Restrictions This image may be used by news organizations in connection with reports describing the research of Paul Sereno and Stephen Brusatte. 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.