title: Early hominid fossils from Africa.
abstract: A new species of Australopithecus, the ancestor of Homo, pushes back the origins of bipedalism to some four million years ago.
authors.affiliation: Division of Paleontology, National Museums of Kenya, Nairobi.
authors.forename: M
authors.initials: M
authors.lastname: Leakey
authors.forename: A
authors.initials: A
authors.lastname: Walker
mesh_terms: D000349:Africa; D000818:Animals; D005075:Biological Evolution; D005580:Fossils; D015186:Hominidae; D006801:Humans; D006811:Humerus; D007568:Jaw; D007630:Kenya; D013977:Tibia