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Homo erectus in Asia
• Pleistocene: 1.8 mya to 10,000 ya• Both brains c. 650 cc
Homo habilis Homo geogicus or erectus (?)Dmanisi, Republic of Geogia
Skull 1
Dmanasi, Republic of GeorgiaIn former Soviet UnionDiscovered in 2001600 to 780 cc
Skull 2
H. habilis
Early Archaic Homo sapiens
• Classification complex & unresolved• Archaic H. sapiens appears c. 700,000 ybp• Wide distribution, in the Old World• Brow ridges prominent and arched• Later forms have higher cranial vault and
reduced tooth size.• Mean brain size: 1,330 cc• Mean brain size of H. erectus: 1,003 cc
Archaic Homo sapiens
Prepared coretechnique
A hypotheticalphylogeny
Archaic Homo sapiens
archaic Homo sapiens sites
Archaic Homo sapiens with erectus-like features
Petralona, Greece Kabwe, Zambia Bodo, Ethiopia
Oldest of these three specimens = 500,000 ybp, Bodo, EthiopiaHomo heidelbergensis (to 700,000 ybp)
Brain: 1300 cc
Constraints on brain size
Rotational change in orientation necessary
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