Author: Dainton M. Macho G.A.
Publisher: Academic Press
ISSN: 0047-2484
Source: Journal of Human Evolution, Vol.36, Iss.2, 1999-02, pp. : 171-194
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Abstract
Although African great apes share a similar quadrupedal locomotor behaviour, there are marked differences in hand morphology and size between the species. Hence, whilst all three species (two genera) of African ape frequently knuckle walk as adults, debate remains as to whether this behaviour is derived from a common ancestor or whether it evolved in parallel in chimpanzees and gorillas. This exploratory morphometric study of the sub-adult and adult wrist of these two genera aims to contribute to this debate.A total of twenty-seven dimensions of the lunate, triquetral, hamate and capitate of sub-adult and adult
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