The transparent skull of Anteosaurus (left) and Moschognathus (right) showing the differences in their brain cavities (green) and inner ear (purple). Disclaimer: AAAS and EurekAlert! are not ...
Transparent skulls of an extinct plesiosaur (top) and a living crocodile (bottom). The inner ear is the pink structure towards the back of the head. Disclaimer: AAAS and EurekAlert! are not ...