Paleoanthropology.  Fossil tangles roots of human family tree.
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D000818:Animals; D005075:Biological Evolution; D005580:Fossils; D049690:History, Ancient; D015186:Hominidae / Q000145:classification; D006801:Humans; D007630:Kenya; D008963:Molar / Q000033:anatomy & histology; D010161:Paleodontology; D012886:Skull / Q000033:anatomy & histology