Nor do H.
habilis skulls have the crests and bone ridges found in large ape skulls.
And Lubenow does not mention that there are two other
habilis skulls (OH 13 (650 cc) and OH 7 (680 cc), neither of which are adult), that fall squarely into the middle of this gap.
Not exact matches
For example, the shapes of their dental palate and
skulls match those of H. erectus, not H.
habilis.
Homo
habilis is argued out of existence altogether; the famous East African
skull, ER 1470 (which some, but nowadays by no means all, authorities class with Homo
habilis) somehow becomes a modern human representative.
Authors David Lordkipanidze, Marcia S. Ponce de León, Ann Margvelashvili, Yoel Rak, G. Philip Rightmire, Abesalom Vekua and Christoph P. E. Zollikofer say significant anatomical features of this
skull can be found in earlier fossils assigned to the genus Homo, such as H.
habilis, H ergaster and H. rudolfensis, and argue all comprise a single species within the genus Homo, with less variation among them than can be found within contemporary Homo sapiens.
Olduvai Gorge, Vol.4: The
Skulls, Endocasts and Teeth of Homo
habilis.
The one to which OH7 belongs is automatically to be called Homo
habilis; the other, typified by the famous Lake Turkana
skull, ER 1470, is called Homo rudolfensis.
Incidentally, I can't see why it is in the list («
Skulls 9...» etc.) above, as at no time has it ever been considered a member of Homo
habilis.
Both the
skulls and skeletal bones are primitive even by Homo erectus standards, and have a number of features reminiscent of Homo
habilis:
Lubenow's book is the best general creationist expose of human evolution so far published, although I disagree strongly with his willingness to accept the KNM - ER 1470
skull (classified as Homo
habilis) as probably human.
The erectus
skull ER 3733 shows a marked jump up to 66 °, indicating that all the previous ancestors had ape - faces and no progression is seen through the australopithecines and «
habilis.»
The discovery of the Dmanisi
skulls, particularly D2700, raises the possibility, suggested by Vekua and his colleagues, that the Dmanisi hominids might have evolved from
habilis - like ancestors that had already left Africa.