lived: 4.2 to 1.2 million years ago

brain size: 310 - 530 cubic centimeters

intelligence: used simple tools (such as sticks), probably had some form of language

largest group size: 55

other: Australopithecus only differed from Ardipithecus and earlier ancestors in that it walked upright, or was bipedal, and may have had a slightly larger brain.


Ardipithecus | Australopithecus | Homo habilis | Homo erectus | Neandertals | Modern Humans


by Robin Stewart