Jaw of a Leech (IMAGE) American Museum of Natural History Caption This single jaw of Tyrannobdella rex was taken with a stereomicrograph and showing large teeth. Scale bar is 100 micrometers. Credit Phillips, et al. PLoS ONE 2010 Usage Restrictions None 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.