Human evolutionary taxonomy. Diagram of the evolution of hominin species (dots) over the past seven million years. Bottom: the Ardipithecus group: Sahelanthropus tchadensis,Orrorin tugenensis,Ardipithecus ramidus. Centre: Australopithecus group: A. anamensis,A. platyops,A. afarensis,A. bahrelgazhali,A. garhi,A. africanus. Upper right: Paranthropus group: P. aethiopicus,P. boisei,and P. robustus. Upper left: Homo group: H. habilis,H. georgicus,H. ergaster,H. erectus,H. antecessor,H. heidelbergensis,H. nenderthalensis,H. rhodesiensis,H. sapiens (modern humans,top left). All are now extinct except modern humans |