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The discovery of the 1.8 Ma Georgian Dmanisi skulls in the early 2000s, which exhibit several similarities with early Homo, has led to suggestions that all contemporary groups of early Homo in Africa, including H. habilis and H. rudolfensis, are the same species and should be assigned to H. erectus.
SK 847 is the abbreviated designation for the fossilized fragments of a Homo habilis cranium, discovered in South Africa, which was dated to an age between 1.8 and 1.5 million years. This fossil shares morphological traits with the early African Homo erectus , sometimes known as Homo ergaster .
KNM ER 1813 is a skull of the species Homo habilis.It was discovered in Koobi Fora, Kenya by Kamoya Kimeu in 1973, and is estimated to be 1.9 million years old.. Its characteristics include an overall smaller size than other Homo habilis finds, but with a fully adult and typical H. habilis morphology.
The genus Homo evolved from Australopithecus. [7] The earliest record of Homo is the 2.8 million-year-old specimen LD 350-1 from Ethiopia, [8] and the earliest named species is Homo habilis which evolved by 2.3 million years ago. [9] The most important difference between Homo habilis and Australopithecus was a 50% increase in brain size. [10]
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. LD 350-1 is now considered the earliest known specimen of the genus ...
The emergence of tool culture has also been associated with the pre-Homo species Australopithecus garhi, [10] and its flourishing is associated with the early species Homo habilis and Homo ergaster. Beginning 1.7 million years ago, early Homo erectus apparently inherited Oldowan technology and refined it into the Acheulean industry. [11]
The extinct species Homo floresiensis has long puzzled experts. A new analysis offers clues to the mystery of this tiny oddball’s place on the human family tree.
A phylogenetic analysis published in 2017 suggests that H. floresiensis was descended from a species (presumably Australopithecine) ancestral to Homo habilis, making it a "sister species" either to H. habilis or to a minimally habilis-erectus-ergaster-sapiens clade, and its line is older than H. erectus itself.