Jing LIU,Shize LI,Gang WEI,et al.A New Species of the Asian Toad Genus Megophrys sensu lato (Anura: Megophryidae) from Guizhou Province, China[J].Asian Herpetological Research(AHR),2020,11(1):1-18.[doi:10.16373/j.cnki.ahr.190041]
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A New Species of the Asian Toad Genus Megophrys sensu lato (Anura: Megophryidae) from Guizhou Province, China
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Asian Herpetological Research[ISSN:2095-0357/CN:51-1735/Q]

Issue:
2020 VoI.11 No.1
Page:
1-18
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Publishing date:
2020-03-26

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Title:
A New Species of the Asian Toad Genus Megophrys sensu lato (Anura: Megophryidae) from Guizhou Province, China
Author(s):
Jing LIU1 Shize LI1 2 Gang WEI3 Ning XU3 Yanlin CHENG1 Bin WANG1 4* and Jun WU2*
1 Department of Resources and Environment, Moutai Institute, Renhuai 564500, China
2 Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment of China, Nanjing 210042, China
3 Biodiversity Conservation Key Laboratory, Guiyang College, Guiyang 550002, China
4 Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
Keywords:
Taxonomy new species molecular phylogenetic analysis morphology China
PACS:
-
DOI:
10.16373/j.cnki.ahr.190041
Abstract:
We describe a new species of the genus Megophrys 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 nested into the Megophrys clade and sister to M. minor. On morphology, the new species is distinguished from its congeners by a combination of the following characters: (1) small body size with SVL < 39.2 mm in male and SVL < 40.4 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 or three metacarpal tubercles in hand; (7) relative finger lengths: I < II < V < III; (8) toes without webbing; (9) heels overlapped when thighs are positioned at right angles to the body; (10) tibiotarsal articulation reaching 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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