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New australopithecine endocast, SK 1585, from Swartkrans, South Africa

1972; Wiley; Volume: 37; Issue: 2 Linguagem: Inglês

10.1002/ajpa.1330370203

1096-8644

Ralph L. Holloway,

Morphological variations and asymmetry

Abstract The new SK 1585 endocast, found by Dr. Brain at Swartkrans, 1966, is that of a robust australopithecine, matching the endocast of the Olduvai Hominid 5 in volume, and being almost identical to it in morphology. Aside from Olduvai Hominid 5 it is the only robust australopithecine endocast complete enough to permit easy reconstruction, as only a small portion of the frontal lobe is missing. While the gyral and sulcal patterns are not clear, there are a number of features indicating that the brain is not that of a pongid, but that is has been reorganized to a hominid pattern, particularly the occipital, parietal, and temporal lobes.