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      A new species of Leptobrachella Smith 1925 (Anura: Megophryidae) from Southern Guangxi, China

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      Zootaxa
      Magnolia Press

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          Abstract

          We described a new species of the genus Leptobrachella from Southern Guangxi, China, based on morphological characteristics, molecular analyses and bioacoustics. This new species, Leptobrachella shiwandashanensis sp. nov., occurs in sympatry with Leptobrachella shangsiensis. However, phylogenetic analyses based on the mitochondrial 16S gene fragment revealed that the new species was clustered in a monophyletic group and a considerable genetic divergence existed between the new species and L. shangsiensis (p-distance: 7.9%) as well as its congeners (minimum p-distance: 7.0%). The new species also differed from its congeners by a combination of the following characteristics: (1) small size (SVL 26.8–29.7 mm in males; 33.7–35.9 mm in females); (2) pale brown dorsal surfaces, with a brown inverse-triangle-shaped marking between the eyes; (3) creamy white ventral surface with brown spots on the lateral margin, with a near immaculate creamy white throat and chest; (4) without webbing and lateral fringes on toes; (5) flanks with irregular black spots; (6) tibia-tarsal articulation reaching the posterior of the eye in males but reaching the shoulder in females; (7) heels that do not meet when the thighs are appressed at right angles to the body; (8) bicolored iris, with the upper half brownish-red, fading to silver in the lower half; and (9) a call consisting of a single note and a dominant frequency of 5.3–5.7 kHz (recorded at 23°C).  

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          Author and article information

          Contributors
          Journal
          Zootaxa
          Zootaxa
          Magnolia Press
          1175-5334
          1175-5326
          August 13 2021
          August 13 2021
          : 5020
          : 3
          : 581-596
          Article
          10.11646/zootaxa.5020.3.8
          34810986
          4e195a6b-cb03-4290-b3f2-ae3166eada83
          © 2021
          History

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