Ken Angielczyk with Whatcheeria fossils (IMAGE) Field Museum Caption Co-author Ken Angielczyk with a drawer of Whatcheeria specimens behind the scenes at the Field Museum Credit By Kate Golembiewski, Field Museum Usage Restrictions Please include credit License Original 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.