Primates

, Volume 35, Issue 2, pp 167–176 | Cite as

Craniometrical variations among eastern Brazilian marmosets and their systematic relationships

  • Masahito Natori
Article

Abstract

The craniometrical variations among marmosets on the eastern coast of Brazil or theCallithrix jacchus group (C. jacchus, C. penicillata, C. kuhli, C. geoffroyi, C. flaviceps, andC. aurita) were analyzed to test various hypotheses for the arrangement of the species and phylogenetic relationships ofC. kuhli andC. flaviceps. Q-mode correlation coefficients and principal component analysis were employed to extract important shape factors from the craniometrical data. On this basis, the shape distances among the eastern Brazilian marmosets were found to be larger than those between the marmosets which are recognized as distinct species. This evidence supports the hypothesis that the members of theC. jacchus group are distinct species.C. kuhli shows the strongest resemblance toC. geoffroyi within theC. jacchus group.C. flaviceps is the most similar toC. aurita in its cranial shape. These findings indicate thatC. kuhli is most closely related toC. geoffroyi, whileC. flaviceps is toC. aurita.

Key Words

Callithrix jacchus group Cranial measurements Multivariate analysis 

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Copyright information

© Japan Monkey Centre 1994

Authors and Affiliations

  • Masahito Natori
    • 1
  1. 1.Department of AnatomyNihon University School of Dentistry at MatsudoMatsudo, ChibaJapan

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