<i>Acanthodes</i> and Dogfish Braincases (IMAGE) University of Chicago Medical Center Caption A latex mold of the braincase of Acanthodes bronni (left) is compared to the braincase of a modern dogfish (squalus). Credit Megan Doherty/University of Chicago 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.