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Homo ergaster is an extinct species or subspecies of archaic humans who lived in Africa in the Early Pleistocene.Whether H. ergaster constitutes a species of its own or should be subsumed into H. erectus is an ongoing and unresolved dispute within palaeoanthropology.
It was conjectured that the categorical differences seen in for instance the mandibular and dental features of the crania from Dmanisi, may be ascribed to taxonomic diversity, as opposed to all five deriving from the same H. erectus lineage. [5] The rather small braincase of D2700 was believed to be at odds with the characteristics of H. erectus.
Leakey named it "Chellean Man", in reference to the Oldowan tools found at the site, which were then referred to by the now-obsolete name Chellean.Heberer (1963) provisionally named a new species Homo leakeyi based on the specimen in honor of Leakey, [3] but most subsequent workers have regarded it as Homo ergaster, or as Homo erectus (H. ergaster is sometimes regarded as a subspecies of H ...
Homo erectus (/ ˌ h oʊ m oʊ ə ˈ r ɛ k t ə s / lit. ' upright man ') 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 colonize Asia and Europe, and to wield fire.
This concerns Homo ergaster in particular. [19] [20] One proposal divides Homo erectus into an African and an Asian variety; the African is Homo ergaster, and the Asian is Homo erectus sensu stricto. (Inclusion of Homo ergaster with Asian Homo erectus is Homo erectus sensu lato.
A few scholars believed that the region didn't preserve any species of Homo, arguing that the fossil material all belonged to australopithecines. Others believed that a single species was represented (H. ergaster) and others accepted the presence of both H. ergaster/H. erectus and H. habilis. [4]
Java Man (Homo erectus erectus, formerly also Anthropopithecus erectus or Pithecanthropus erectus) is an early human fossil discovered in 1891 and 1892 on the island of Java (Indonesia). Estimated to be between 700,000 and 1,490,000 years old, it was, at the time of its discovery, the oldest hominid fossil ever found, and it remains the type ...
Homo ergaster (a.k.a. African Homo erectus) 1975 Kenya: Lantian Man: 1.62±0.03 Homo erectus: 1963 Lantian County, China: Woo Ju-Kang KNM-WT 15000 (Turkana Boy) 1.60 Homo ergaster (a.k.a. African Homo erectus) 1984 Lake Turkana (West Lake Turkana), Kenya: Kamoya Kimeu: Kenya National Museum Peninj Mandible: 1.50 Paranthropus boisei: 1964 ...