Please read these three papers
Watch this short video:
The Analysis of Ardipithecus ramidus -- One of the Earliest Known Hominids
Read the following articles:
White et al. 2009 Ardipithecus ramidus and the Paleobiology of Early
Pick one of the research articles below and read it in depth.
Tim D. White et al. Macrovertebrate Paleontology and the Pliocene Habitat of Ardipithecus ramidus
Gen Suwa et al. The Ardipithecus ramidus Skull and Its Implications for Hominid Origins
Gen Suwa et al. Paleobiological Implications of the Ardipithecus ramidus Dentition
C. Owen Lovejoy et al. Combining Prehension and Propulsion: The Foot of Ardipithecus ramidus
C. Owen Lovejoy Reexamining Human Origins in Light of Ardipithecus ramidus