Completeness of Fossils (IMAGE) University of Bristol Caption Mosasaurs are known from thousands of fossils, and they come in many shapes and sizes, including complete skeletons and individual teeth. Credit Tom Stubbs and Dan Driscoll Usage Restrictions Image is for single use only to illustrate this press release and must not be archived 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.