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      Plio-pleistocene diversification and connectivity between mainland and Tasmanian populations of Australian snakes (Drysdalia, Elapidae, Serpentes)

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      Molecular Phylogenetics and Evolution
      Elsevier BV

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          Abstract

          The genus Drysdalia contains three recognised species of elapid (front-fanged) snakes, distributed across south-eastern Australia (including Tasmania). Here we aim to clarify the biogeography and phylogeographical relationships of this poorly documented region. We conducted molecular phylogenetic and dating analyses, using mitochondrial genes (ND4 and cyt-b). Our analyses suggest that divergence events among the three extant species, and among major lineages within those species, are congruent with Plio-pleistocene climatic variations. Two highly divergent genetic lineages within Drysdalia coronoides occur in Tasmania. Molecular dating suggests that these lineages were isolated from the mainland in the Pleistocene. Copyright 2010 Elsevier Inc. All rights reserved.

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          Author and article information

          Journal
          Molecular Phylogenetics and Evolution
          Molecular Phylogenetics and Evolution
          Elsevier BV
          10557903
          September 2010
          September 2010
          : 56
          : 3
          : 1119-1125
          Article
          10.1016/j.ympev.2010.04.028
          20430104
          a056c6b6-99fb-4c9f-9c8b-d665f597ae6c
          © 2010

          https://www.elsevier.com/tdm/userlicense/1.0/

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