1. All of these lava flows occurred during the Pliocene epoch . 2. The "'Palaeomerycidae "'are an extinct Pliocene epochs ), existing for about 50 million years. 3. The Pliocene epoch Crowder Formation is to the northeast. 4. ""'Kyrtogymnodon " "'is an extinct genus of prehistoric bony fish that lived during the Pliocene epoch . 5. In hilly areas, the clay is covered by red and yellow sand from the Pliocene epoch . 6. One such controversy arose in 2009 when the ICS deliberated and decided that the Pliocene epoch . 7. ""'Pseudoumbrina " "'is an extinct genus of prehistoric bony fish that lived during the Pliocene epoch . 8. These units are estimated at five million years in age, from the Miocene to Pliocene epochs . 9. From the Pliocene epoch onward ( after 5 million years ago ), the Paratethys became progressively shallower. 10. Glass Buttes were formed approximately 5 to 5.8 million years ago during the late Miocene and Pliocene epochs .
