3-D Shark Skull (image) American Museum of Natural History Caption This image shows a 3-D reconstruction of the skull of Ozarcus mapesae. The braincase is shown in light gray, the jaw is shown in red, the hyoid arch is shown in blue, and the gill arches are shown in yellow. Credit ©AMNH/A. Pradel Usage Restrictions Can be used with appropriate credit 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.