Primate evolution By makebrickseekgreatagain 65 BCE Paleocen 65.5 – 57.8 mya https://research.amnh.org/paleontology/perissodactyl/concepts/deep-time/paleocene#:~:text=Paleocene%20Epoch%20(65.5%20%E2%80%93%2055.8%20MYA)&text=The%20Paleocene%20epoch%20immediately%20followed,and%20North%20America%20at%20times. 57 BCE Eocen 57.8 – 36.6 mya https://research.amnh.org/paleontology/perissodactyl/concepts/deep-time/eocene 36 BCE Oligocen 36.6 – 23.7 mya https://research.amnh.org/paleontology/perissodactyl/concepts/deep-time/oligocene 23 BCE Miocen 23.7 – 5.3 mya https://research.amnh.org/paleontology/perissodactyl/concepts/deep-time/miocene 5 BCE Pliocene 5.3– 2.6 mya https://research.amnh.org/paleontology/perissodactyl/concepts/deep-time/paleocene