Earliest sabretoothed mammal discovered (IMAGE) Kyoto University Caption Discovery in southern California of a new genus and species of the family Nimravidae, Pangurban egiae, from the Eocene period, with strongly hypercarnivorous features. Credit KyotoU/Jim Melli (San Diego Natural History Museum) Usage Restrictions none License Original 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.