Field Site in Antarctica (IMAGE) University of Washington Caption During their 2017-2018 Antarctic expedition, Sidor and his team returned to Graphite Peak, where Antarctanax was originally found and where, in 1967, the first vertebrate fossils were found on the continent. Credit Christian Sidor/University of Washington Usage Restrictions Must include 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.