1,6 million years ago in Africa; Homo habilis, Homo rudolfensis, Homo ergaster, Paranthropus boiseicomparing Paranthropus aethiopicus and Paranthropus boiseicomparison between Australopithecus afarensis (left) and Paranthropus aethiopicus (right)comparison between Homo sapiens Jebel Irhoud and Homo neanderthalensis Feldhofercomparison between Paranthropus boisei male and female (sexual dimorfism)comparison between Homo floresiensis (left) and Homo sapiens Qafzehcomparison between Homo heidelbergensis Bodo (left), Homo Rhodesiensis Broken Hill Kabwe and Homo sapiens Jebel Irhoud (right)comparison between Homo heidelbergensis Petralona (left) with Atapuerca, Homo neanderthalensis Feldhofer and Homo sapiens Jebel Irhoud (right)