Scientists Discover Prehistoric Saber-Toothed Predator That Predates Dinosaurs Madrid, 17 Dec (ONA) --- Researchers have discovered the oldest gorgonopsian fossil on Mallorca, a Spanish island in the Mediterranean Sea, dating from 270-280 million years ago. This therapsid, a saber-toothed predator, offers new insights into the evolutionary lineage leading to mammals. About 200 million years ago, the first true mammals emerged during the age of dinosaurs. ...