Saltarin Fossil Shark (image) Smithsonian Tropical Research Institute Share Print E-Mail Caption Carcharhiniformes indet. tooth from the Saltarin core, Carbonera C2 Formation, early Miocene flooding. Credit Jorge Carrillo Usage Restrictions Credit: Jorge Carillo 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.