eix cronologic By Roger de la Asunción 4400 BCE Ardipithecus ramidus Hominids 3000 BCE Auatrolopithecus afarensis Hominids 2500 BCE Homo habil Hominids 2000 BCE Homo erectus Hominids 800 BCE Homo anecessor Hominids 250 BCE Homo neanderthal 40 Homo sapiens Hominids