The first members of the genus Homo, the direct ancestors of the present man, apparently evolved in Asia to later go to Africa and not the other way around, as many scientists have assumed.
Most paleoanthropologists believed in an African origin for the genus Homo, but recent evidence shows that the species occupied a site in Western Asia called Dmanisi, between 1.85 and 1.77 million years, shortly before the first evidence of the genus found in Africa, according to the data provided Reid ferring, Geologist at the University of North Texas.
In the Proceedings of the National Academy of Sciences, dated June 6, scientists proposed an Asian homeland for the Homo Erectus, modifying the above after the new findings. With the new dates of Dmanisi “it certainly seems as if the African origin of Homo erectus needs to be examined again"Said the anthropologist Philip Rightmire.
Homo Habilis fossils are enough to be reclassified as part of the Australopithecus lineage, which includes more than 3 million years, being of this species the well-known Lucy. Other researchers, however, believe that the fossils of Australopithecus of South Africa At 2 million years old, they are the direct precursors of the Homo species.
The new discoveries of Dmanisi were found below ground dated to 1.77 million years old, where fossils of Homo Erectus could be seen, including the surprisingly small skull (which would suggestively imply a primitive form of the species), in addition to 73 stone tools and 34 fragments of animal bones that have not yet been identified. The objects came from Homo Erectus in fields between 1.85 and 1.78 million years old.
Measurements of the reversals of the Earth's magnetic field and the decay rate of the Earth argon in a series of layers of volcanic ash, they provided estimates of the age of these new finds.
Header image: Ryan somma on Flickr
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