Ans. Homo erectus.
Homo erectus (means upright man) represents an archaic human species that was present throughout most of the world. Fossil of Homo erectus is earliest fossil, dated close to about 1.8 million years ago (MYA). Homo erectus emerged around 2 MYA in West Asia and Africa.
Homo erectus is considered as a extinct species of hominid, which include members of family hominidae.