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