1. The Pliocene follows the Miocene Epoch and is followed by the Pleistocene Epoch. 2. The rim is basalt, formed by large lava flows during the Miocene epoch . 3. The fossils of greater noctule is almost non-existent prior to the Miocene epoch . 4. Longirostromeryx lived during the Miocene epoch in what is now central North America. 5. It inhabited Eurasia, Northern Africa and North America during the late Miocene epoch . 6. In the middle of the Miocene epoch , the grazer " Merychippus " flourished. 7. The genus existed during the early and middle Miocene epoch . 8. Fossils caviids first appeared during the middle of the Miocene epoch in South America. 9. Volcanic activity was most prevalent in the Miocene epoch , some 15 million years ago. 10. The genus first evolved up to seven million years ago during the Miocene epoch .