Clay Model (IMAGE) Field Museum Caption To determine the way that Atopodenatus unicus's jaw worked, the scientists made models out of children's clay and toothpicks. Credit © Olivier Rieppel, The Field Museum Usage Restrictions Please include credit 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.