Biodiversity in the Oceans Exploded After Dinosaurs Fell Penn In the News Inside Science Biodiversity in the Oceans Exploded After Dinosaurs Fell Lauren Sallan of the School of Arts and Sciences offered commentary on the diversification of marine life in the period following the end-Cretaceous mass extinction. Found: A 5.5-Million-Year-Old Ancestor of the Red-Eared Slider Penn In the News Atlas Obscura Found: A 5.5-Million-Year-Old Ancestor of the Red-Eared Slider Penn student Steven Jasinski found the remains of Trachemys haugrudi, an ancestor of the red-eared slider turtle, suggesting a “once greater diversity” of turtles than today.
Found: A 5.5-Million-Year-Old Ancestor of the Red-Eared Slider Penn In the News Atlas Obscura Found: A 5.5-Million-Year-Old Ancestor of the Red-Eared Slider Penn student Steven Jasinski found the remains of Trachemys haugrudi, an ancestor of the red-eared slider turtle, suggesting a “once greater diversity” of turtles than today.