A new species of the Asian leaf litter toad genus Leptobrachella (Amphibia, Anura, Megophryidae) from southwest China.
ZOOKEYS(2020)
摘要
A new species of the Asian leaf litter toad genus Leptobrachella from Guizhou Province, China is described based on molecular phylogenetic analyses, morphological comparisons, and bioacoustics data. Phylogenctic analyses based on the mitochondrial 16S rRNA gene sequences supported the new species as an independent Bade nested into the Leptobrachella Bade and sister to L. bijie. The new species could be distinguished from its congeners by a combination of the following characters: small body size (SVL 30.8-33.4 mm in seven adult males, and 34.2 mm in one adult female); dorsal skin shagreened, some of the granules forming longitudinal short skin ridges; tympanum distinctly discernible, slightly concave; internasal distance longer than interorbital distance; supra-axillary, femoral, pectoral and ventrolateral glands distinctly visible; absence of webbing and lateral fringes on fingers; toes with rudimentary webbing and shallow lateral fringes, relative finger lengths II < IV < I < III; beds overlapped when thighs are positioned at right angles to the body; and tibia-tarsal articulation reaches the tympanum.
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关键词
Guizhou,molecular phylogenetic analyses,morphology,new species,taxonomy
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