A Rare Assemblage of Sharks and Rays from Nearshore Environments of Eocene Madagascar (image) PLOS Share Print E-Mail Caption Eocene shark teeth from northwestern Madagascar. Credit Samonds et al, 2019 Usage Restrictions CC-BY: Redistribution permitted with credit. Share Print E-Mail 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.