2.4 - 2.34
2.34 - 2.28
2.28 - 2.22
2.22 - 2.16
2.16 - 2.1
300K
2.4 - 2.1 M
60K
93rd
92nd
91st
90th
89th
88th
87th
86th
85th
84th
83rd
82nd
Paleoproterozoic 2.5 - 1.6
South Pole 2.6 - 2
North Pole 2 -
- 2.4 Beginning of Homo Genus
- Homo Habilis 2.3 - 1.4 Million 510 - 660 CC cranium