Dunkleosteus terrelli (IMAGE) PeerJ Caption Modification of Reconstructed proportions of specimens of Dunkleosteus terrelli using the total lengths estimated by Ferron et al. (2017) using UJP. Credit CC BY Russell Engelman. Usage Restrictions Credit must be given to the creator. License CC BY 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.