Image (IMAGE) Queen Mary University of London Caption Photograph of the whole specimen of Petrodacyle. Credit Photograph copyright René Lauer Usage Restrictions Permission is given to use this image for any articles on Petrodactyle if credit is given to the photographer. 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.