title: Human evolution. New fossils challenge line of descent in human family tree.
authors: Ann
authors: A
authors: Gibbons
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005260:Female; D005580:Fossils; D015186:Hominidae / Q000033:anatomy & histology / Q000145:classification; D006801:Humans; D007568:Jaw / Q000033:anatomy & histology; D007630:Kenya; D008297:Male; D012886:Skull / Q000033:anatomy & histology