Two-Faced Fish Animation (VIDEO) University of Oxford This video is under embargo. Please login to access this video. Caption A photograph of the top of the Janusiscus fossil dissolves into the 3-D virtual model created by the research team from X-ray data. The model rotates to show the bottom of the structure surrounding the brain (the 'braincase'). Credit Oxford University Usage Restrictions To illustrate this story 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.