1. The Eocene Epoch ranged from 56 million years to 34 million years. 2. The Eocene Epoch ranged from 56 million years to 33.9 million years ago. 3. They separated from other crocodilians during the Eocene epoch , about 55 million years ago. 4. Modern mammalian orders appeared in the Palaeocene and Eocene epochs of the Palaeogene period. 5. The fossil has been dated to the Eocene Epoch . 6. Rhinoceroses first appeared in Nebraska during the Eocene epoch . 7. It began moving north, at about per year, in the Eocene epoch of the Cenozoic. 8. The Upper Rhine Plain was formed during the Early Cenozoic era, during the Late Eocene epoch . 9. This species lived during the Eocene epoch , Bartonian age ( from 38.0 to 41.3 Ma ). 10. Sea level rose and fell often during this period of the Eocene Epoch in geologic history.
