This study tests the hypothesis that there is a general pattern in the growth of the cranial base of Homo sapiens that is ‘essentially neotenous’ [Gould, 1977]. Juvenile and adult crania of Homo sapiens, Gorilla gorilla, Pan troglodytes and Pongo pygmaeus were studied and the cross-sectional growth curves for 10 measurements made on the cranial base (as viewed in norma basilaris) were compared. The results of this study suggest that relatively simple modifications to the timing or pattern of growth are insufficient to explain the observed morphological differences between the cranial base of modern Homo sapiens and the great apes.

Keywords:
Phylogeny, Neoteny, Cranial base, Hominoid
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© 1984 S. Karger AG, Basel
1984
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