首页> 美国卫生研究院文献>Proceedings of the National Academy of Sciences of the United States of America >Morphometrics and hominoid phylogeny: Support for a chimpanzee–human clade and differentiation among great ape subspecies
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Morphometrics and hominoid phylogeny: Support for a chimpanzee–human clade and differentiation among great ape subspecies

机译:形态计量学和类人猿系统发育:支持黑猩猩-人类进化枝和大猿亚种之间的分化

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摘要

Taxonomic and phylogenetic analyses of great apes and humans have identified two potential areas of conflict between molecular and morphological data: phylogenetic relationships among living species and differentiation of great ape subspecies. Here we address these problems by using morphometric data. Three-dimensional landmark data from the hominoid temporal bone effectively quantify the shape of a complex element of the skull. Phylogenetic analysis using distance-based methods corroborates the molecular consensus on African ape and human phylogeny, strongly supporting a Pan–Homo clade. Phenetic differentiation of great ape subspecies is pronounced, as suggested previously by mitochondrial DNA and some morphological studies. These results show that the hominoid temporal bone contains a strong phylogenetic signal and reveal the potential for geometric morphometric analysis to shed light on phylogenetic relationships.
机译:对大猿和人类的分类学和系统发育分析已经确定了分子和形态数据之间冲突的两个潜在领域:活物种之间的系统发育关系和大猿亚种的分化。在这里,我们通过使用形态计量学数据来解决这些问题。来自类人颞骨的三维界标数据有效地量化了头骨复杂元素的形状。使用基于距离的方法进行的系统发育分析证实了有关非洲猿和人类系统发育的分子共识,有力地支持了Pan-Homo进化枝。线粒体DNA和一些形态学研究先前表明,大猿亚种的物候分化很明显。这些结果表明,类人猿颞骨包含很强的系统发育信号,并揭示了进行几何形态分析的潜力,以阐明系统发育关系。

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