Shize LI,Ning XU,Jing LIU,et al.A New Species of the Asian Toad Genus Megophrys sensu lato (Amphibia: Anura: Megophryidae) from Guizhou Province, China[J].Asian Herpetological Research(AHR),2018,9(4):224-239.[doi:10.16373/j.cnki.ahr.180072]
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A New Species of the Asian Toad Genus Megophrys sensu lato (Amphibia: Anura: Megophryidae) from Guizhou Province, China
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Asian Herpetological Research[ISSN:2095-0357/CN:51-1735/Q]

2018 VoI.9 No.4
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A New Species of the Asian Toad Genus Megophrys sensu lato (Amphibia: Anura: Megophryidae) from Guizhou Province, China
Shize LI1 Ning XU1 Jing LIU1 Jianping JIANG2 Gang WEI3*# and Bin WANG12*#
1 Department of Food Science and Engineering, Maotai University, Renhuai 564500, China
2 CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization and Ecological Restoration Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology (CIB), Chinese Academy of Sciences (CAS), Chengdu 610041, China
3 Biodiversity Conservation Key Laboratory, Guiyang College, Guiyang 550002, China
Megophrys sensu lato new species taxonomy phylogenetic analysis Guizhou Province China
We describe a new species of the genus Megophrys sensu lato from Guizhou Province, China. Molecular phylogenetic analyses based on mitochondrial DNA and nuclear DNA sequences all strongly supported the new species as an independent lineage in Megophrys (Panophrys) clade. The new species is distinguished from its congeners by a combination of the following morphological characteristics: (1) small body size with SVL < 38.8 mm in male and SVL < 42.3 mm in female; (2) vomerine teeth absent; (3) tongue not notched behind; (4) a small horn-like tubercle at the edge of each upper eyelid; (5) tympanum distinctly visible, rounded; (6) two metacarpal tubercles in hand; (7) relative finger lengths: II < I < V < III; (8) toes with rudimentary webbing at bases; (9) heels overlapping when thighs are positioned at right angles to the body; (10) tibiotarsal articulation reaching the level between tympanum to eye when leg stretched forward; (11) an internal single subgular vocal sac in male; (12) in breeding male, the nuptial pads with black nuptial spines on the dorsal bases of the first and second fingers.


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