Scans of eight fossilized adult and infant Australopithecus afarensis skulls reveal a prolonged ... The fossil record for the ancient hominin A. sediba is younger than that of Homo, a “highly unlikely ...

distinctive species called Australopithecus sediba. "We don't yet know whether they interacted directly, but their presence raises the possibility that these ancient fossil humans evolved ...

Paranthropus robustus and Australopithecus sediba. "Unlike the situation today, where we are the only human species, 2 million years ago our direct ancestor was not alone," Herries said.