Здесь-то и вопрос! Вроде бы возраст A. sediba удалось определить очень точно - и седибоведы говорят, что все более древние Хомо - сомнительны. Я, не будучи палеоантропологом, своей точки зрения не имею. Вы верите в эту датировку рудольфензиса?
Australopithecus sediba at 1.977 Ma and Implications for the Origins of the Genus Homo
Newly exposed cave sediments at the Malapa site include a flowstone layer capping the sedimentary unit containing the Australopithecus sediba fossils. Uranium-lead dating of the flowstone, combined with paleomagnetic and stratigraphic analysis of the flowstone and underlying sediments, provides a tightly constrained date of 1.977 ± 0.002 million years ago (Ma) for these fossils. This refined dating suggests that Au. sediba from Malapa predates the earliest uncontested evidence for Homo in Africa.
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Date: 2013-02-24 05:26 pm (UTC)http://www.sciencemag.org/content/333/6048/1421
Australopithecus sediba at 1.977 Ma and Implications for the Origins of the Genus Homo
Newly exposed cave sediments at the Malapa site include a flowstone layer capping the sedimentary unit containing the Australopithecus sediba fossils. Uranium-lead dating of the flowstone, combined with paleomagnetic and stratigraphic analysis of the flowstone and underlying sediments, provides a tightly constrained date of 1.977 ± 0.002 million years ago (Ma) for these fossils. This refined dating suggests that Au. sediba from Malapa predates the earliest uncontested evidence for Homo in Africa.