Combining morphological and molecular data,we describe a new amphibian species of the genus Kurixalus Ye,Fei,&Dubois,1999 from the Qionglai Mountain within the western margin of the Sichuan Basin in China.Kurixalu...Combining morphological and molecular data,we describe a new amphibian species of the genus Kurixalus Ye,Fei,&Dubois,1999 from the Qionglai Mountain within the western margin of the Sichuan Basin in China.Kurixalus qionglaiensis sp.nov.can be diagnosed based on a combination of the following morphological characters:medium-sized within genus(snout-vent length(SVL)in males 28.9−33.3 mm);tympanum distinct,subequal to half of eye diameter;snout pointed,prominence on tip;iris golden with brown spots;slight nuptial pad on first finger in males;background coloration of dorsal surface brown,lateral body and femoral yellow;white,dark brown edged triangular markings on cheek;chin shaded dark brown;pair of large symmetrical dark patches on chest;belly clouded brown and scattered black spots;toes moderately webbed,formulaⅠ2-2Ⅱ1.5-2.5Ⅲ1.5-2.5Ⅳ2.5-1.5Ⅴ;tibia length slightly shorter than half of SVL,tibiotarsal articulation reaching posterior border of eye;single external vocal sac present.Based on the 16S rRNA gene,the genetic distance between the new species and its sister taxon K.idiootocus(Kuramoto&Wang,1987)was 4%.At present,the new species is known only from a single location at an elevation of~600 m in Pingle Town,Qionglai City,Sichuan,southwestern China.This location can represent a new northernmost geographical limit of the genus Kurixalus.展开更多
基金supported by the National Natural Science Foundation of China(31770568,32071544)“Light of West China”Programme of the Chinese Academy of Sciences(2019XBZG_XBQNZG_A_003)。
文摘Combining morphological and molecular data,we describe a new amphibian species of the genus Kurixalus Ye,Fei,&Dubois,1999 from the Qionglai Mountain within the western margin of the Sichuan Basin in China.Kurixalus qionglaiensis sp.nov.can be diagnosed based on a combination of the following morphological characters:medium-sized within genus(snout-vent length(SVL)in males 28.9−33.3 mm);tympanum distinct,subequal to half of eye diameter;snout pointed,prominence on tip;iris golden with brown spots;slight nuptial pad on first finger in males;background coloration of dorsal surface brown,lateral body and femoral yellow;white,dark brown edged triangular markings on cheek;chin shaded dark brown;pair of large symmetrical dark patches on chest;belly clouded brown and scattered black spots;toes moderately webbed,formulaⅠ2-2Ⅱ1.5-2.5Ⅲ1.5-2.5Ⅳ2.5-1.5Ⅴ;tibia length slightly shorter than half of SVL,tibiotarsal articulation reaching posterior border of eye;single external vocal sac present.Based on the 16S rRNA gene,the genetic distance between the new species and its sister taxon K.idiootocus(Kuramoto&Wang,1987)was 4%.At present,the new species is known only from a single location at an elevation of~600 m in Pingle Town,Qionglai City,Sichuan,southwestern China.This location can represent a new northernmost geographical limit of the genus Kurixalus.
