What were the difference between austrolopithecus and homopithecus?
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The South African members of Australopithecus form a single group, trending from earlier, more gracile or smaller forms, to later, more robust or larger forms, in accordance with the “Law of Cope”. This is supported by the evidence of the lower first deciduous molar: it is only slightly molarized in the earlier, smaller forms and astonishingly heavily molarized in the later, robust forms, such as that of Kromdraai. Hence, Robinson's view that two different genera are represented by the gracile and robust forms is not supported here. A. robustus is seen as a late offshoot of the Australopithecus stem. The resemblance of the Taung dm1 to that of Sinanthropus, except for the more differentiated talonid of the Taung specimen, suggests that the separation of the Australopithecinae and Homininae must have taken place at an earlier stage than that represented by the oldest South African Australopithecinae. The lower jaw of Meganthropus of Java combines certain characteristics of A. africanus with those of A. robustus: Meganthropus might provisionally be called “Australopithecoid”. The geographically intermediate India has yielded a hominid, Ramapithecus punjabicus, but the author does not consider “Kenyapithecus” to be a hominid. “K. wickeri” is a pongid species of its own and “K. africanus” a Proconsul. Ramapithecus sensu stricto is known only from the Indian Siwaliks and the author suggests that the transition from Ramapithecus to a still unknown Australopithecus took place in the same region prior to their migration into Africa and Southeast Asia.
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