<i>Psephoderma alpinum</i> (IMAGE) University of Bristol Caption This is the marine shell-crushing reptile Psephoderma alpinum, one of the last placodonts on Earth, just reported from Somerset. Credit James O'Shea Usage Restrictions Please note: the image is for single use only to illustrate this press release and is not to be archived. Please credit the copyright holder James O'Shea. 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.