Adaffa Sauropod Vertebra (image) Uppsala University Caption One of the exceptionally rare tail vertebrae from Saudi Arabia's first described giant titanosaurid sauropod. This dinosaur was probably in excess of 20 m long when alive. Credit Photograph: Tim Holland (Kronosaurus Korner, Richmond). Usage Restrictions None 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.