Ardi May Belong to the Human Side

The features related to bipedalism suggest that Ardi is a human ancestor.

A phylogenetic tree of chimpanzees and humans. The initial segment after the branch point is labeled Ardipithecus. The middle and longest segment is labeled Australopithecus. The final and shortest segment is labeled Homo.
Bipedal features suggest Ardi is on the human side of the branch point shared with chimpanzees.

What Ardi Reveals About Human and Chimpanzee Evolution

Dr. Tim White