Volume 33 Issue 2
Mar.  2012
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LI Song, YU Fa-Hong, LV Xue-Fei. Cranial morphometric study of four giant flying squirrels (Petaurista) (Rodentia: Sciuridae) from China. Zoological Research, 2012, (2): 119-126. doi: 10.3724/SP.J.1141.2012.02119
Citation: LI Song, YU Fa-Hong, LV Xue-Fei. Cranial morphometric study of four giant flying squirrels (Petaurista) (Rodentia: Sciuridae) from China. Zoological Research, 2012, (2): 119-126. doi: 10.3724/SP.J.1141.2012.02119

Cranial morphometric study of four giant flying squirrels (Petaurista) (Rodentia: Sciuridae) from China

doi: 10.3724/SP.J.1141.2012.02119
Funds:  National Natural Science Fund of China (30970332); National Basic Research Program of China (973 Program) (2007CB411600); Natural Science Found of Yunnan Province (2007C099M); Special Subjects Funds of National Natural Science Fund of China(J0930004)
  • Received Date: 2011-07-25
  • Rev Recd Date: 2011-11-20
  • Publish Date: 2012-04-22
  • The present study revisited the controversial taxonomic status of Petaurista yunanensis, P. philippensis, P.hainana, and P. petaurista by using a considerably extended set of morphometrical characters (26 cranial variables from 60 adult specimen skulls). The results revealed no sexual dimorphism in any of the four species but confirmed significant craniometric differences among the four species in both the principal components analysis (PCA) and discriminant function analysis (DFA), with the greatest distinction observed between P. petaurista and other Petaurista species. Both univariate and multivariate analysis indicated that the morphological differences between P. yunanensis and P.philippensis were less than that between P. philippensis and P. hainana. The morphometric results were concordant in geographic patterns with mtDNA data from previous studies and indicated that P. petaurista, P. hainana, P. philippensis,and P. yunanensis could be recognized as valid species.
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Cranial morphometric study of four giant flying squirrels (Petaurista) (Rodentia: Sciuridae) from China

doi: 10.3724/SP.J.1141.2012.02119
Funds:  National Natural Science Fund of China (30970332); National Basic Research Program of China (973 Program) (2007CB411600); Natural Science Found of Yunnan Province (2007C099M); Special Subjects Funds of National Natural Science Fund of China(J0930004)

Abstract: The present study revisited the controversial taxonomic status of Petaurista yunanensis, P. philippensis, P.hainana, and P. petaurista by using a considerably extended set of morphometrical characters (26 cranial variables from 60 adult specimen skulls). The results revealed no sexual dimorphism in any of the four species but confirmed significant craniometric differences among the four species in both the principal components analysis (PCA) and discriminant function analysis (DFA), with the greatest distinction observed between P. petaurista and other Petaurista species. Both univariate and multivariate analysis indicated that the morphological differences between P. yunanensis and P.philippensis were less than that between P. philippensis and P. hainana. The morphometric results were concordant in geographic patterns with mtDNA data from previous studies and indicated that P. petaurista, P. hainana, P. philippensis,and P. yunanensis could be recognized as valid species.

LI Song, YU Fa-Hong, LV Xue-Fei. Cranial morphometric study of four giant flying squirrels (Petaurista) (Rodentia: Sciuridae) from China. Zoological Research, 2012, (2): 119-126. doi: 10.3724/SP.J.1141.2012.02119
Citation: LI Song, YU Fa-Hong, LV Xue-Fei. Cranial morphometric study of four giant flying squirrels (Petaurista) (Rodentia: Sciuridae) from China. Zoological Research, 2012, (2): 119-126. doi: 10.3724/SP.J.1141.2012.02119
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