(IMAGE) University of Bonn Caption Martin Sander with a rib of the larger skeleton. The estimated length of the animal is 20 meters. Credit © Laurent Garbay/University of Bonn Usage Restrictions Please use this picture only in connection with the press release. 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.