Genus of the primate family Hominidae. Members of Homo are characterized by a relatively large cranium (braincase), limb structure adapted to erect posture and a two-footed gait, well-developed and fully opposable thumbs, hands capable of power and precision grips, and the ability to make precision tools. The genus includes modern humans (Homo sapiens), the extinct species Homo habilis, Homo erectus, and Homo neanderthalensis (the Neanderthals), and the early form of H. sapiens known as Cro-Magnon.

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