<em>Acherontiscus</em> Reconstruction (IMAGE) University of Lincoln Caption Reconstructed skull and lower jaw of Acherontiscus caledoniae. Credit Image courtesy of Professor Jennifer Clack, University Museum of Zoology, Cambridge 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.