Raptorex (IMAGE) University of Chicago Caption At only 9 feet in length, Raptorex already had the powerful jaws, puny arms, and quick legs of its much larger and more famous descendants. Credit Drawing by Todd Marshall Usage Restrictions News organizations may use this image in connection with reports describing the research of Paul Sereno and his associates. 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.