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13 . human I ) Figure reconstruction . Ken plug ops 2946 by Rama is in the public domain . SITES Lake , Kenya 96 PEOPLE INTRODUCTION A surprisingly came to light with discovery and naming of pus ( human from Kenya ) in 1999 . The degree of orthognathism was surprising for such an early . PHYLOGENY Since the skull was crushed and reconstructed ( see Figure ) some discount the degree of orthognathism and would like to see the specimen assigned to genus , and to species . Others feel that it is the base of our lineage , believing that a event occurred at Au . leading on the one hand to the robust forms ( including Au . and on the other hand toward humans . In the latter case , some would like to see assigned to genus Homo , believing it to be the ancestor of Homo , with which it shares a similar orthognathic profile . Of interest is that some have speculated that the species may have made the footprints . However , if the fossils really belong in Au . it would not be news ! IV , Figure Lake , Kenya . Ken relief location map by is licensed under . 13 . 97
DISCOVERY AND GEOGRAPHIC RANGE is known only from a site in the West Lake region of Kenya ( see Figures and ) where team found the crushed skull in 1999 . The consists of a reconstructed skull , plus two partial and a temporal bone from other individuals . Figure 133 Lake , Kenya . by is licensed under . PHYSICAL CHARACTERISTICS While possessing primitive molars ( elongated mesiodistally , front to back ) and sharing ties with Au . and , the lower face of is surprisingly ( and possibly mistakenly ) orthognathic for its early date . The cranial capacity of is also suspect due to the reconstruction but if accurate , it was fairly high relative to other species of the time , at . Review of Primitive Characteristics Elongated molars . Review of Derived Characteristics Possibly more orthognathic . Possibly relative to previous and contemporary species . 98 The History of Our Tribe