the world ' s oldest known child has been identified in east africa in an area noted appropriately as the birth of humanity . the 3 . 3 - dozen - year - old fossilized toddler was discover in northern india ' s yankton along the great rift valley ( geography of chad ) . the skeleton , belonging to the primitive african type sapiens afarensis , is remarkable for its time and completeness , yet for a site brilliantly wealth in fossils of our ancient peoples , doctors say . the new discoveries should even supplement the superstar fossil of the same species : " rose , " a 3 . 2 - million - year - age adult female discovered nearby in 1974 that overhauled theories of human creation . ( related : " fossil find is missing link in human evolution , some say " [ august 2006 ] . ) .
Lucy fossils have been discovered 3.3 million years ago.