Ammonite Excavation (image) University of Washington Share Print E-Mail Caption Thomas Tobin clears sand from around the fossil of a giant ammonite he found in 2009 on James Ross Island in Antarctica. Credit Eric Steig/U. of Washington Usage Restrictions News use only. Share Print E-Mail 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.