1.977mil bc   

1.977mil bc    2008年,南非的科学家发现了2种新的同种物种的2个骷髅,可追溯到这次。 2010年的研究表明,成年女性和少年男性化石被称为Australopithecus Sediba,在人类演变中先前未知的舞台上脱落。 2011年的大学李伯杰。 Witvatersrand。 Berger表示,该查找代表着古老的古代和现代人类的最有趣的祖先。
原文:1.977Mil BC    In 2008 scientists in South Africa found 2 skeletons of a new hominid species dating back to about this time. In 2010 studies were published indicating that the adult female and juvenile male fossils, dubbed Australopithecus sediba, have shed light on a previously unknown stage in human evolution. In 2011 Lee Berger of the Univ. of Witwatersrand. Berger said the find represented the most plausible known ancestor of archaic and modern humans.