Homo erectus is an extinct species of archaic human from the Pleistocene, with its earliest occurrence about 2 million years ago. Its specimens are among the first recognizable members of the genus Homo.
Homo erectus
Java Man at Naturalis
Dmanisi skull 3 (fossils skull D2700 and jaw D2735, two of several found in Dmanisi in the Georgian Transcaucasus)
Skull of H. e. pekinensis showing a flat face, pronounced brow ridge, and a sagittal keel
Archaic humans is a broad category denoting all species of the genus Homo that are not Homo sapiens. Among the earliest modern human remains are those from Jebel Irhoud in Morocco, Florisbad in South Africa (259 ka), and Omo-Kibish I in southern Ethiopia. Some examples of archaic humans include H. antecessor (1200–770 ka), H. bodoensis (1200–300 ka), H. heidelbergensis (600–200 ka), Neanderthals, H. rhodesiensis (300–125 ka) and Denisovans,
Homo rhodesiensis ("Broken Hill Cranium"): dated to 324,000 to 274,000 years ago.
Anatomical comparison of the skulls of anatomically modern humans (left) and Homo neanderthalensis (right)