Gavialimimus almaghribensis (IMAGE) University of Alberta Caption Artist's rendering of Gavialimimus almaghribensis, a newly discovered species of mosasaur that ruled the seas of what is now Morocco some 72 to 66 million years ago. Credit Tatsuya Shinmura) Usage Restrictions with credit to Tatsuya Shinmura) 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.