Genyornis eggshell (IMAGE) University of Cambridge Caption Genyornis eggshell recently exposed by wind erosion of sand dune in which it was buried, South Australia. Credit Gifford H. Miller Usage Restrictions Please 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.