P. Tobias

Publications270
h-index42
Citations6,344
Highly Influential Citations260
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A New Species of The Genus Homo From Olduvai Gorge
TLDR
The new material found in 1963 makes it possible to draw conclusions and to give a diagnosis for a new species of the genus Homo, as shown in this article. Expand
The brain of Homo habilis: A new level of organization in cerebral evolution☆
TLDR
Encephalometric studies reveal marked transverse expansion of the cerebrum, especially the frontal and parieto-occipital parts, in H. habilis and increased bulk of the frontaland parietal lobes, a derived feature of Homo. Expand
Sterkfontein member 2 foot bones of the oldest South African hominid.
TLDR
Four articulating hominid foot bones have been recovered from Sterkfontein Member 2, near Johannesburg, South Africa, and provides the first evidence that bipedal hominids were in southern Africa more than 3.0 million years ago. Expand
ESR dating studies of the australopithecine site of Sterkfontein, South Africa
TLDR
The ESR dating of tooth enamel can be applied to sites with ages > 2 Ma, as long as the radiation dose rate is sufficiently low, and Alpha-spectrometric U-series analyses of one of the teeth suggests that U was continuously absorbed by the teeth during their burial history. Expand
The skulls, endocasts, and teeth of homo habilis
TLDR
The skull and dentition of 'Twiggy' and 'Cinderella' and other hominid cranial and dental remains from FLK NNI and the endocranial casts of Homo habilis are described. Expand
Koobi Fora Research Project, vol. 4: Hominid Cranial Remains
Early hominid dental remains from Members 4 and 5 of the Sterkfontein Formation (1966-1996 excavations): catalogue, individual associations, morphological descriptions and initial metrical analysis.
TLDR
The results show that the Sterkfontein Member 4 sample is not consistently more variable than the other fossil hominid samples analysed; it turned out to be generally less variable than H. habilis sensu lato and A. robustus. Expand
The cranium and maxillary dentition of Australopithecus (Zinjanthropus) boisei
Hip bone trabecular architecture shows uniquely distinctive locomotor behaviour in South African australopithecines.
TLDR
Advanced digital image processing (DIP) of hip bone radiographs has revealed that adolescent and adult South African australopithecines retained an incompletely developed human-like trabecular pattern associated with gait-related features that are unique among the extant primates. Expand
A fossil skull probably of the genus Homo from Sterkfontein, Transvaal
TLDR
The new find supports the view that the Sterkfontein toolmaker was not the earlier A. africanus, but a later hominid related to Homo habilis, and is establishing indisputably the provenance of the specimen. Expand
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