23-Million-Year-Old Oddball (VIDEO) Southern Methodist University This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption New fossils from the Aleutian Islands intensify the mystery surrounding Desmostylia, a toothy, hippopotamus-sized mammal unique to the North Pacific. An oddball creature, it suction-fed shoreline vegetation, say paleontologists from Southern Methodist University and the Perot Museum of Nature and Science, Dallas. Credit (SMU) Usage Restrictions Please credit 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.