Femur from Genyornis newtoni (IMAGE) University of Copenhagen - Faculty of Science Caption A large femur from Genyornis newtoni (left) and on your right a somewhat smaller femur from an emu. Credit Trevor Worthy Usage Restrictions Image may be used with appropriate caption and 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.