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Paleontologists Unearth Possible Pre-Human Fossils

Aug 9, 2012
Originally published on August 9, 2012 11:30 am

Fossils discovered in East Africa suggest that Homo erectus, the species believed to be humans' direct ancestor, may have shared Earth with two genetically distinct but similar species. Some paleontologists believe that these species may be distant relatives to modern humans, while others need more evidence.