6 - 5.4
5.4 - 4.8
4.8 - 4.2
4.2 - 3.6
3.6 - 3
3M
6 - 3
600K
                                                                                                                                                                                                                                       
   
Pliocene Epoch 5 - 1.8 pliocene

- 6 332 Great Years ago.

- 5.9 - 5.2 South Pole
- 5 - 4.9 South Pole
- 4.8 - 4.7 South Pole
- 4.5 - 4.4 South Pole
- 4.4 Ardipithecus ramidus ramidus (Hominid, Walks upright most of the time, Still spend time on trees)
- Earliest evidence of pre-human hominid species
- 4.3 - 3.6 South Pole
- 4 - 2 Australopithecus afarensis, Hominid species in Ethiopia
- 3.7 Some Australopithecus afarensis left footprints on volcanic ash in Laetoli, Kenya.

- 3.4 - 3.3 South Pole
- 3.2 - 3.1 South Pole