During the Eocene Epoch, which spanned 56-34 million years ago, gigantic ancient elephant-like animals began to roam through ...

which all died out at the end of the Eocene epoch, according to the American Museum of Natural History. That was about 34 million years ago. The animal had a large body, short legs, and a ...

Some 30 million years ago, during what’s known as the Oligocene Epoch, a leopard-like hypercarnivore—that is, an animal whose diet ... window including both the Eocene’s global warming ...

"Most actual dabbling is conducted while the bird is swimming and does not involve interaction between the animal and the substrate ... traces from the early Eocene Green River Formation, Utah ...