article: Eocene
links: Paraceratherium Epoch (geology) Brontotherium Indricotherium Antarctic Palaeocene Hyracotherium Pristichampsus Ambulocetus Leptictidium Oligocene Chesapeake Bay Siberia Moeritherium Gastornis List of extinction events Arsinoitherium Dorudon Arctic Andrewsarchus Colorado Rocky Mountains Basilosaurus Eocene–Oligocene extinction event Palaeogene Ellesmere Island