Shoshonia arctopteryx (IMAGE) University of Chicago Medical Center Caption Recently found in northern Wyoming, the coelacanth fossil is 400 million years old. Credit Photo courtesy of Matt Friedman/University of Chicago 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.