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来自中国西南部的角蟾科（无尾目）的一个新物种，库氏角蟾（Kuhl & Van Hasselt, 1822）

A new species of the horned toad Kuhl & Van Hasselt, 1822 (Anura, Megophryidae) from southwest China.

作者信息

Xu Ning, Li Shi-Ze, Liu Jing, Wei Gang, Wang Bin

机构信息

Biodiversity Conservation Key Laboratory, Guiyang College, Guiyang, 550002, China Guiyang College Guiyang China.

CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China Moutai Institute Renhuai China.

出版信息

Zookeys. 2020 Jun 22;943:119-144. doi: 10.3897/zookeys.943.50343. eCollection 2020.

DOI:10.3897/zookeys.943.50343
PMID:32647478
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7326726/
Abstract

A new species of the genus is described from Guizhou Province, China. Molecular phylogenetic analyses based on mitochondrial DNA and nuclear DNA sequences all strongly supported the new species as an independent clade sister to and . The new species could be distinguished from its congeners by a combination of the following characters: body size moderate (SVL 43.4-44.1 mm in males, and 44.8-49.8 mm in females; vomerine teeth absent; tongue not notched behind; a small horn-like tubercle at the edge of each upper eyelid; tympanum distinctly visible, rounded; two metacarpal tubercles on palm; relative finger lengths II < I < V < III; toes without webbing; heels overlapping when thighs are positioned at right angles to the body; tibiotarsal articulation reaching the level between tympanum and eye when leg stretched forward; in breeding males, an internal single subgular vocal sac in male, and the nuptial pads with black spines on dorsal surface of bases of the first two fingers.

摘要

中国贵州省发现了该属的一个新物种。基于线粒体DNA和核DNA序列的分子系统发育分析均有力支持该新物种为与[物种名1]和[物种名2]姐妹关系的独立分支。新物种可通过以下特征组合与同属其他物种区分开来：体型适中（雄性体长43.4 - 44.1毫米，雌性体长44.8 - 49.8毫米）；无犁骨齿；舌后缘无缺刻；每个上眼睑边缘有一个小角状瘤；鼓膜明显可见，圆形；手掌有两个掌突；相对指长顺序为II < I < V < III；趾间无蹼；大腿与身体呈直角时，脚跟重叠；腿向前伸展时，胫跗关节达到鼓膜与眼睛之间的水平；繁殖期雄性，喉部有一个单一的内部声囊，前两指基部背面有带黑色棘的婚垫。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/8f9e700202d3/zookeys-943-119-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/1caaeff0852e/zookeys-943-119-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/10a3adb26860/zookeys-943-119-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/b7afb1e624f7/zookeys-943-119-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/ebeda68e70a5/zookeys-943-119-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/5ab5630c9094/zookeys-943-119-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/821b4df0da53/zookeys-943-119-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/3ac8614ad0f7/zookeys-943-119-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/8f9e700202d3/zookeys-943-119-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/1caaeff0852e/zookeys-943-119-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/10a3adb26860/zookeys-943-119-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/b7afb1e624f7/zookeys-943-119-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/ebeda68e70a5/zookeys-943-119-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/5ab5630c9094/zookeys-943-119-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/821b4df0da53/zookeys-943-119-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/3ac8614ad0f7/zookeys-943-119-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c5cd/7326726/8f9e700202d3/zookeys-943-119-g008.jpg

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