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Kai WANG, Ke JIANG, Da-Hu ZOU, Fang YAN, Cameron D. SILER, Jing CHE. 2016: Two new species of Japalura (Squamata: Agamidae) from the Hengduan Mountain Range, China. 动物学研究, 37(1): 41-56. DOI: 10.13918/j.issn.2095-8137.2016.1.41
引用本文: Kai WANG, Ke JIANG, Da-Hu ZOU, Fang YAN, Cameron D. SILER, Jing CHE. 2016: Two new species of Japalura (Squamata: Agamidae) from the Hengduan Mountain Range, China. 动物学研究, 37(1): 41-56. DOI: 10.13918/j.issn.2095-8137.2016.1.41
Kai WANG, Ke JIANG, Da-Hu ZOU, Fang YAN, Cameron D. SILER, Jing CHE. 2016: Two new species of Japalura (Squamata: Agamidae) from the Hengduan Mountain Range, China. Zoological Research, 37(1): 41-56. DOI: 10.13918/j.issn.2095-8137.2016.1.41
Citation: Kai WANG, Ke JIANG, Da-Hu ZOU, Fang YAN, Cameron D. SILER, Jing CHE. 2016: Two new species of Japalura (Squamata: Agamidae) from the Hengduan Mountain Range, China. Zoological Research, 37(1): 41-56. DOI: 10.13918/j.issn.2095-8137.2016.1.41

Two new species of Japalura (Squamata: Agamidae) from the Hengduan Mountain Range, China

Two new species of Japalura (Squamata: Agamidae) from the Hengduan Mountain Range, China

  • 摘要: 草绿攀蜥Japalura flaviceps 曾一直被认为广泛分布于中国,分布范围从西藏东部延伸至山西省。然而近期研究表明其分布范围仅限于四川西北部的大渡河流域,而大渡河流域以外的草绿攀蜥记录应为误订,可能代表未经描述的攀蜥属新种。2013及2015年两栖爬行动物多样性考察时,作者于西藏东部昌都地区的怒江河谷和云南西北部德钦县澜沧江河谷内分别采集到攀蜥属标本8条及12条。研究发现,这些攀蜥标本具有一系列形态和鳞被特征,可明显区别于包括草绿攀蜥在内的所有攀蜥属已知物种。故在此将怒江及澜沧江上游河谷内的俩攀蜥种群描述为新种,即滑腹攀蜥Japalura laeviventris sp. nov. 及翡翠攀蜥Japalura iadina sp. nov.。作者依据现有已知分布数据以及IUCN濒危等级评定标准,重新评估了包括新种在内的部分攀蜥物种的受威胁等级。同时,本文讨论了草绿攀蜥的物种厘定以及色斑在攀蜥属分类中的重要性,并为本属未来的分类学研究提出建议。

     

    Abstract: Until recently, the agamid species, Japalura flaviceps, was recognized to have the widest geographic distribution among members of the genus occurring in China, from eastern Tibet to Shaanxi Province. However, recent studies restricted the distribution of J. flaviceps to the Dadu River valley only in northwestern Sichuan Province, suggesting that records of J. flaviceps outside the Dadu River valley likely represent undescribed diversity. During two herpetofaunal surveys in 2013 and 2015, eight and 12 specimens of lizards of the genus Japalura were collected from the upper Nujiang (=Salween) Valley in eastern Tibet, China, and upper Lancang (=Mekong) Valley in northwestern Yunnan, China, respectively. These specimens display a unique suite of diagnostic morphological characters. Our robust comparisons of phenotype reveal that these populations can be distinguished readily from J. flaviceps and all other recognized congeners. Herein, we describe the two Japalura lineages as new species, Japalura laeviventris sp. nov. and Japalura iadina sp. nov.. In addition, we provide updated conservation assessments for the new species as well as imperiled congeners according to the IUCN criteria for classification, discuss the importance of color patterns in the diagnosis and description of species in the genus Japalura, and discuss directions for future taxonomic studies of the group.

     

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