Titanosaur Egg Fossils (IMAGE) U.S. National Science Foundation Caption Titanosaur eggshell fossils from Argentina sites held new clues in dinosaur temperature questions. Credit Gerald Grellet-Tinner, Orcas Island Museum Usage Restrictions None License Licensed 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.