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Than Zaw, Paw Lay, Parinya Pawangkhanant, JVladislav A. Gorin, Nikolay A. Poyarkov, Jr.. 2019: 缅甸北部克钦邦发现疣螈属两栖纲有尾目蝾螈科一新种. 动物学研究, 40(3): 151-174. DOI: 10.24272/j.issn.2095-8137.2019.043
引用本文: Than Zaw, Paw Lay, Parinya Pawangkhanant, JVladislav A. Gorin, Nikolay A. Poyarkov, Jr.. 2019: 缅甸北部克钦邦发现疣螈属两栖纲有尾目蝾螈科一新种. 动物学研究, 40(3): 151-174. DOI: 10.24272/j.issn.2095-8137.2019.043
Than Zaw, Paw Lay, Parinya Pawangkhanant, JVladislav A. Gorin, Nikolay A. Poyarkov, Jr.. 2019: A new species of Crocodile Newt, genus Tylototriton (Amphibia, Caudata, Salamandridae) from the mountains of Kachin State, northern Myanmar. Zoological Research, 40(3): 151-174. DOI: 10.24272/j.issn.2095-8137.2019.043
Citation: Than Zaw, Paw Lay, Parinya Pawangkhanant, JVladislav A. Gorin, Nikolay A. Poyarkov, Jr.. 2019: A new species of Crocodile Newt, genus Tylototriton (Amphibia, Caudata, Salamandridae) from the mountains of Kachin State, northern Myanmar. Zoological Research, 40(3): 151-174. DOI: 10.24272/j.issn.2095-8137.2019.043

缅甸北部克钦邦发现疣螈属两栖纲有尾目蝾螈科一新种

A new species of Crocodile Newt, genus Tylototriton (Amphibia, Caudata, Salamandridae) from the mountains of Kachin State, northern Myanmar

  • 摘要: 依据形态特征比较和分子系统发育分析,将采自缅甸克钦邦印多吉湖区域的疣螈属物种订为一新种——克钦疣螈 Tylototriton kachinorum sp. nov.。 新种归属于疣螈亚属,新种主要鉴别特征为:中等体型;尾细长;无肋沟;皮肤粗糙;吻端平截;头侧脊棱宽且明显,自眼前角开始;枕部“V”形棱脊不明显;四肢细长,前后肢贴体相对时趾指末端能重叠;脊椎宽且明显,不分段;13或14段肋骨;背部呈棕色至深棕色,唇区,腮腺,肋骨结节,四肢,泄殖腔和腹部尾脊上有暗橙褐色至黄褐色斑纹。另外,本研究还简要讨论了缅甸疣螈属的生物地理和物种多样性。

     

    Abstract: We describe a new species of the genus Tylototriton from Ingyin Taung Mt., Mohnyin Township, Kachin State, Myanmar, based on morphological and molecular evidence. The new species is assigned to the subgenus Tylototriton s. str. and is clearly distinct from all known congeners by the following characters: medium body size; thin, long tail, lacking lateral grooves; rough skin; truncate snout; wide, protruding supratemporal bony ridges on head, beginning at anterior corner of orbit; weak, almost indistinct sagittal ridge; long, thin limbs, broadly overlapping when adpressed along body; distinct, wide, non-segmented vertebral ridge; 13 or 14 rib nodules; brown to dark-brown background coloration with dull orange-brown to yellowish-brown markings on labial regions, parotoids, rib nodules, whole limbs, vent, and ventral tail ridge. We also briefly discuss biogeography and species diversity of the genus Tylototriton in Myanmar.

     

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