Rather the delicacy of the brow, the projection of the face and the curvature of the rear of the skull evoke H. habilis, the presumed forebear of H. erectus.

• 他的眉脊不发达、面孔突出，还有后脑壳的弧度都与巧人很像，而学者一般假定巧人是直立人的祖先。