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Australopithecus garhi is a species of australopithecine from the Bouri Formation in the Afar Region of Ethiopia 2.6–2.5 million years ago (mya) during the Early Pleistocene. The first remains were described in 1999 based on several skeletal elements uncovered in the three years preceding.
Australopithecus is a member of the subtribe Australopithecina, [4] [5] which sometimes also includes Ardipithecus, [6] though the term "australopithecine" is sometimes used to refer only to members of Australopithecus. Species include A. garhi, A. africanus, A. sediba, A. afarensis, A. anamensis, A. bahrelghazali, and A. deyiremeda.
Australopithecus garhi: 1997 Ethiopia: Yohannes Haile-Selassie: STS 71 [25] 2.61–2.07 Australopithecus africanus: 1947 Sterkfontein, South Africa: Robert Broom and John T. Robinson: Ditsong National Museum of Natural History STS 52: 2.61–2.07 Australopithecus africanus: 1947 Sterkfontein, South Africa: Robert Broom: Ditsong National Museum ...
Presently, it appears that A. garhi has the potential to occupy this coveted place in paleoanthropology, but the lack of fossil evidence is a serious problem. Another problem presents itself in the fact that it has been very difficult to assess which hominid [now "hominin"] represents the first member of the genus Homo .
A reconstructed Australopithecus Garhi skull from the National Museum of Ethiopia. Australopithecus garhi was discovered by Tim White in the Bouri Peninsula area of Middle Awash. It was announced in 1999. [8] Au. Garhi has a holotype of a fragmented skull.
Australopithecus garhi was using stone tools at about 2.5 Ma. Homo habilis is the oldest species given the designation Homo, by Leakey et al. in 1964. H. habilis is intermediate between Australopithecus afarensis and H. erectus, and there have been suggestions to re-classify it within genus Australopithecus, as Australopithecus habilis.
Indeed, the genus Homo was in origin intended to separate tool-using species from their tool-less predecessors, hence the name of Australopithecus garhi, garhi meaning "surprise", a tool-using Australopithecine discovered in 1996 and described as the "missing link" between the genera Australopithecus and Homo.
They are: the lowest member, named Hatayae, or the Hata, dated to 2.5 million years ago (mya)—and in which fossils of Australopithecus garhi were found; the Dakanihylo, or Daka, member, one mya—fossils of Homo erectus were found; and the Herto member, Lower layer at 260 kya, and Upper layers at 160 to 154 kya—fossils of Homo sapiens ...