title: Oldest gorilla ages our joint ancestor.
authors: Rex
authors: R
authors: Dalton
mesh_terms: D000818:Animals; D005002:Ethiopia; D005580:Fossils; D006071:Gorilla gorilla / Q000033:anatomy & histology / Q000145:classification*; D049690:History, Ancient; D006801:Humans; D010802:Phylogeny; D013997:Time Factors; D014070:Tooth / Q000033:anatomy & histology