Oldowan
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The Oldowan was a widespread stone tool archaeological industry during the early Lower Paleolithic spanning the late Pliocene and the first half of the Early Pleistocene. These early tools were simple
Carved pebble of Oldowan tradition from the Atlantic Sahara region Guelmim-Es Semara (National Archaeological Museum of Madrid)
Oldowan-tradition stone chopper.
Oldowan choppers dating to 1.7 million years BP, from Melka Kunture, Ethiopia
Chopper from Olduvai Gorge, some 1.8 million years old
Homo erectus
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Homo erectus is an extinct species of archaic human from the Pleistocene, spanning nearly 2 million years. It is the first human species to evolve a humanlike body plan and gait, to leave Africa and c
In 1868, Ernst Haeckel suggested early humans dispersed from the now-disproven hypothetical continent "Lemuria".
Artistic depiction of a group of Homo erectus georgicus, based on early hominin discoveries from Dmanisi.
H. e. georgicus (above) represents one of the earliest dispersals out of Africa about 1.8 million years ago.