湍蛙亚科一新属——拟湍蛙属,兼论与近缘属的关系(两栖纲:蛙科)  

A NEW GENUS OF SUBFAMILY AMOLOPINAE—?pSEUDOAMOLOPS, AND ITS RELATIONSHIP TO RELATED GENERA

作　　者：费梁[1] 叶昌媛[1] 江建平[1] 

机构地区：[1]中国科学院成都生物研究所,成都610041

出　　处：《动物学报》2000年第1期19-26,共8页ACTA ZOOLOGICA SINICA

摘　　要：对台湾产R .sauteri (=Pseudoranasauteri)和R .multidenticulata两个种和产于大陆的趾沟蛙属及其它近缘属物种进行了对比研究。由于台湾两个种的蝌蚪体腹面有吸盘 ,既不同于林蛙属Rana ,也不同于趾沟蛙属Pseudorana和水蛙属Hylarana ,而类似于湍蛙属Amolops的蝌蚪 ,但与后者的成体和蝌蚪又明显不同。因此 ,将上述台湾两个种从Rana中分出 ,建议定为 1个新属 ,即拟湍蛙属Pseudoamolops,gen .nov .。In this paper, morphological characters of adults and tadpoles of Rana sauteri group including Rsauteri Boulenger (1909) and Rmultidenticulata Chou and Lin (1997) from Taiwan, China are studied,The morphological characters are compared with the species of its related genera, Pseudorana, Hylarana, Rana and Amolops. Tadpoles of the two species from Taiwan are found with a large abdominal sucker which similar to that of tadpole of Amolops, while Rana, Pseudoran and Hylaran lack the sucker. This indicates that tadpoles of Rana sauteri group neither belong to Rana and Pseudorana, nor to Hylarana, they are more closed to Amolops. Rana sauteri group should be considered putting into Amolopinae. Subfamily Amolopinae is classified into four genera Amo, Amolops, Huia and Meristogenys. The characters of the Rana sauteri group and the four genera of Amolopinae are compared. Tadpoles of Rana sauteri and Rana multidenticulata have gland groups only on lower belly, and their ventral sucker are not as perfect as those of Amolopinae; of adults, tympanum distinct, discs of digits small,toes with lateroventral grooves, digits without horizontal sunkens on dorsoside, a dark triangular spot on temporal region. The tadpoles and adults of the Rana sauteri group apparently differ from all members of the four genera in Amolopinae, therefore, it is suggested that the two species of Rana sauteriand Rana multidenticulata should be established as a new genus of Amolopinae, ie. Pseudoamolops. The phylogenetic relationships of the new genus and its related genera are analyzed. Pseudoamolops gen. nov. Type species: Rana sauteri Boulenger, 1909. Diagnosis: Body narrowed and long. Head longer than width, tympanum distinct. Vomerine developed. Dorsolateral folds thin and narrow; tips of fingers slightly enlarged; finger and toe discs small with lateroventral groove; outer metatarsal web well developed, digits without horizontal grooves dorsoside; dorsal bodyusually orange red or yellow brown, temporal region with a dark triangular spot. Ta

关 键 词：两栖纲 蛙亚科 湍蛙 亚科 拟湍蛙属 新属 

分 类 号：Q953[生物学—动物学]