"Despite its distinctively human cranium and its chronological position near the origin of the human line, habilis had a fairly apelike physical form: its arms were almost as long as its legs. It is therefore a controversial species. Similar in physique to the australopithids, without a clear evolutionary descendant, and appearing highly variable in the fossil record, habilis raises more questions than the available fossils are able to answer."

http://www.handprint.com/LS/ANC/hfs4.html