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Ke JIANG, Kai WANG, Da-Hu ZOU, Fang YAN, Pi-Peng LI, Jing CHE. 2016: A new species of the genus Scutiger (Anura: Megophryidae) from Medog of southeastern Tibet, China. 动物学研究, 37(1): 21-30. DOI: 10.13918/j.issn.2095-8137.2016.1.21
引用本文: Ke JIANG, Kai WANG, Da-Hu ZOU, Fang YAN, Pi-Peng LI, Jing CHE. 2016: A new species of the genus Scutiger (Anura: Megophryidae) from Medog of southeastern Tibet, China. 动物学研究, 37(1): 21-30. DOI: 10.13918/j.issn.2095-8137.2016.1.21
Ke JIANG, Kai WANG, Da-Hu ZOU, Fang YAN, Pi-Peng LI, Jing CHE. 2016: A new species of the genus Scutiger (Anura: Megophryidae) from Medog of southeastern Tibet, China. Zoological Research, 37(1): 21-30. DOI: 10.13918/j.issn.2095-8137.2016.1.21
Citation: Ke JIANG, Kai WANG, Da-Hu ZOU, Fang YAN, Pi-Peng LI, Jing CHE. 2016: A new species of the genus Scutiger (Anura: Megophryidae) from Medog of southeastern Tibet, China. Zoological Research, 37(1): 21-30. DOI: 10.13918/j.issn.2095-8137.2016.1.21

A new species of the genus Scutiger (Anura: Megophryidae) from Medog of southeastern Tibet, China

A new species of the genus Scutiger (Anura: Megophryidae) from Medog of southeastern Tibet, China

  • 摘要: 西藏东南部墨脱县的一个齿突蟾物种曾被记录为林芝齿突蟾,但依据形态和分子数据,我们将其描述为一个新种,该新种在形态上与林芝齿突蟾及其它齿突蟾有以下差异:(1) 成体体型中等,雄性体长50.5-55.6 mm,雌性体长53.8-57.2 mm;(2) 无上颌齿;(3) 趾间具蹼迹;(4) 身体和四肢背面、侧面具锥状疣粒;(5) 在繁殖状态下,雄性和雌性的上述疣粒均被黑刺;(6) 雄性胸部具胸腺和腋腺各一对,后者面积约为前者的一半,繁殖状态均被黑刺;(7) 繁殖状态下,第一和第二指背面,以及第三指内侧均被婚刺;(8) 腹部无刺团;(9) 无声囊。本文讨论了新种的分布地和保护现状。

     

    Abstract: A new species of Scutiger Theobald, 1868 is described from Medog, southeastern Tibet, China, based on morphological and molecular data. The new species was previously identified as Scutiger nyingchiensis, but it can be differentiated from the latter and all other congeners by the following combination of characters: (1) medium adult body size, SVL 50.5-55.6 mm in males and 53.8-57.2 mm in females; (2) maxillary teeth absent; (3) web rudimentary between toes; (4) prominent, conical-shaped tubercles on dorsal and lateral surfaces of body and limbs; (5) tubercles covered by black spines in both sexes in breeding condition; (6) a pair of pectoral glands and a pair of axillary glands present and covered by black spines in males in breeding condition, width of axillary gland less than 50% of pectoral gland; (7) nuptial spines present on dorsal surface of first and second fingers, and inner side of third finger in males in breeding condition; (8) spines absent on the abdominal region; (9) vocal sac absent. In addition, the distribution and conservation status of the new species are also discussed.

     

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