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Inter- and intra-specific variation in the ontogeny of the hominoid facial skeleton : testing assumptions on ontogenetic variability.

Strand Vidarsdóttir, U. and Cobb, S. (2004) 'Inter- and intra-specific variation in the ontogeny of the hominoid facial skeleton : testing assumptions on ontogenetic variability.', Annals of anatomy., 186 (5-6). pp. 423-428.

Abstract

In this paper we use geometric morphometric techniques to test two assumptions that are commonly made about variations in facial ontogeny: closely related species, or members of the same species, will share a common early post-natal ontogeny; and closely related species, or members of the same species, will share a common ontogenetic scaling trajectory. To test these assumptions we use four species of hominines: Homo sapiens, Gorilla gorilla, Pan troglodytes and Pan paniscus. The first assumption is falsified, both inter- and intra-specifically, using discriminant analysis with crossvalidation of subadults prior to the onset of the eruption of the permanent dentition. The second assumption only holds true for inter-specific comparisons of ontogenetic scaling trajectories, while assumptions of variation in intra-specific scaling trajectories are falsified with these data.

Item Type:Article
Keywords:Ontogeny, Gorilla, Pan, Homo, Geometric morphometrics, Allometry, Cranio-facial.
Full text:Full text not available from this repository.
Publisher Web site:http://dx.doi.org/10.1016/S0940-9602(04)80076-1
Record Created:23 May 2007
Last Modified:12 Apr 2010 16:59

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