"Of greater importance can be counted recent arguments for the use or manufacture of stone tools in time periods predating by some half a million years the earliest Homo fossils known so far [95,96], and the potential they have to shrink the adaptive space between Homo and Australopithecus still further. Indeed, the expanded brain size, human-like wrist and hand anatomy [97,98], dietary eclecticism [99] and potential tool-making capabilities of ‘generalized’ australopiths root the Homo lineage in ancient hominin adaptive trends, suggesting that the ‘transition’ from Australopithecus to Homo may not have been that much of a transition at all.9":
From Australopithecus to Homo: the transition that wasn't