8
Currently the best model is roughly this:
Timeline of key events:
250-200,000 years ago - AMH (modern humans) evolve in Africa
250-200,000 years ago - estimated lifetimes of "Y Adam" and "mt Eve"
195,000 years ago - Omo I (the oldest known skull considered AMH)
160,000 years ago - Herto (the 2nd oldest known skull considered AMH)
125-100,000 years ago - 1st "Out of Africa" migration (e.g. Qafzeh 9 skull)
90,000 years ago - Ice Age desertification decimates Eurasian AMH
75,000 years ago - Toba eruption leads to extinction of Eurasian AMH
75-70,000 years ago - 2nd (successful) "Out of Africa" migration of AMH
70-60,000 years ago - Eurasian AMHs first admix with Neanderthals
Time of divergence of races:
1) Capoids - ca. 160-150,000 years old
2) Bambutids - ca. 130,000 years old
3) Negroids - ca. 90-65,000 years old
4) Negritoids - ca. 65-55,000 years old
5) Veddoids - ca. 65-55,000 years old
6) Australoids - ca. 60-40,000 years old
7) Caucasoids - ca. 45-30,000 years old
8) Mongoloids - ca. 45-30,000 years old
9) Amerinds - ca. 30-20,000 years old*
*They evolved in Beringia (see the "Beringian standstill hypothesis").
Capoids = Khoisan Bushmen (and similar groups)
Bambutids = African Pygmies (and similar groups)
Negroids (also known as Congoids) = Black Africans
Negritoids = Andamanese and other Negrito groups in Asia
Veddois = Ancestral South Indians (ASI admixture)
Australoids = Sahulians (Australia, Tasmania, New Guinea)
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