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Mol Phylogenet Evol. 2001 Aug;20(2):211-24.

Molecular phylogenetics of Australo-Papuan possums and gliders (family Petauridae).

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Division of Programs Research and Collections, Museum Victoria, Melbourne 3001, Australia.


Phylogenetic relationships within the possums of the family Petauridae, including their affinities with the family Pseudocheiridae, were inferred from DNA sequences obtained for the mitochondrial ND2 gene (1040 bp) combined with previously published partial 12S rDNA sequences. Short, deep internodes characterize some of the divergences obtained. The robustness of these nodes was assessed by several methods such as exclusion of taxa and partitioning of characters. In all analyses a monophyletic Pseudocheiridae was evident, whereas a monophyletic Petauridae was not as well supported. Within the Petauridae, Gymnobelideus was more closely related to Dactylopsila-Dactylonax than to Petaurus. This supports the results obtained from microcomplement fixation of albumin and DNA-DNA hybridization studies but conflicts with morphological data.

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