Teeth of the Snail-Eating Marsupial (IMAGE) University of New South Wales Caption These are maxilla of the young malleodectid -- a snail-eating marsupial -- found in the fossil cave deposit at Riversleigh. Because this is a juvenile, the massive premolar is still unerupted below the tooth row. Credit Karen Black and Suzanne Hand/UNSW Usage Restrictions With appropriate credit and caption 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.