The study was reported in the journal Nature
Asa Issie, Aramis and the origin of Australopithecus Nature 440, 883-889 (13 April 2006)
Tim D. White, Giday WoldeGabriel, Berhane Asfaw, Stan Ambrose, Yonas Beyene, Raymond L. Bernor, Jean-Renaud Boisserie, Brian Currie, Henry Gilbert, Yohannes Haile-Selassie, William K. Hart, Leslea J. Hlusko, F. Clark Howell, Reiko T. Kono, Thomas Lehmann, Antoine Louchart, C. Owen Lovejoy, Paul R. Renne, Haruo Saegusa, Elisabeth S. Vrba, Hank Wesselman and Gen Suwa
The latest fossil unearthed from a human ancestral hot spot in Africa allows scientists to link together the most complete chain of human evolution so far.
The 4.2 million-year-old fossil discovered in northeastern Ethiopia helps scientists fill in the gaps of how human ancestors made the giant leap from one species to another.
That’s because the newest fossil, the species Australopithecus anamensis, was found in the region of the Middle Awash - where seven other human-like species spanning nearly 6 million years and three major phases of human development were previously discovered.