Volume 32 Issue 6
Nov.  2011
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YUAN Zhi-Yong, JIANG Ke, Lü Shun-Qing, YANG Jun-Xiao, NGUYEN Quang Truong, NGUYEN Th. A phylogeny of the Tylototriton asperrimus group (Caudata: Salamandridae) based on a mitochondrial study: suggestions for a taxonomic revision. Zoological Research, 2011, 32(6): 577-584. doi: 10.3724/SP.J.1141.2011.06577
Citation: YUAN Zhi-Yong, JIANG Ke, Lü Shun-Qing, YANG Jun-Xiao, NGUYEN Quang Truong, NGUYEN Th. A phylogeny of the Tylototriton asperrimus group (Caudata: Salamandridae) based on a mitochondrial study: suggestions for a taxonomic revision. Zoological Research, 2011, 32(6): 577-584. doi: 10.3724/SP.J.1141.2011.06577

A phylogeny of the Tylototriton asperrimus group (Caudata: Salamandridae) based on a mitochondrial study: suggestions for a taxonomic revision

doi: 10.3724/SP.J.1141.2011.06577
Funds:  This work was supported by grants from the Ministry of Science and Technology of China (MOST Grant 2011FY120200), the National Natural Science Foundation of China (31090100, 30870281), the Chinese Academy of Sciences (KSCX2-YW-Z-0807, KSCX2-EW-Z-2), and the Bureau of Science and Technology of Yunnan province.
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  • Author Bio:

    YUAN Zhi-Yong

  • Received Date: 2011-11-18
  • Rev Recd Date: 2011-11-28
  • Publish Date: 2011-12-22
  • A phylogenetic hypothesis for the Asian newts of the Tylototriton asperrimus group was generated using data from two mitochondrial fragments including COI and the ND1-ND2 regions. Four distinct clades (A, B, C, D) were resolved with high nodal support within this monophyletic group. Clade A included T. asperrimus, T. hainanensis, T. notialis, “T. vietnamensis”, and two unnamed salamander populations from Vietnam. Clade A, constituted the sister group of clades B + C. Newly identified clade C likely represents a new cryptic species. Clade C was the sister group of T. wenxianensis. The true T. vietnamensis exclusively constituted clade D. Our results bring into question some previous taxonomic decisions, and a revision is required. This study illustrates the necessity to include samples from type localities in taxonomic studies, and highlights the importance of fine-grained geographical sampling.
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