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Morphological evolution from aquatic to terrestrial in the genus Oreolalax (Amphibia, Anura, Megophryidae)
引用本文:Gang Wei,Bin Wang,Ning Xu,Zizhong Li,Jianping Jiang. Morphological evolution from aquatic to terrestrial in the genus Oreolalax (Amphibia, Anura, Megophryidae)[J]. 自然科学进展(英文版), 2009, 19(10): 1403-1408. DOI: 10.1016/j.pnsc.2009.02.010
作者姓名:Gang Wei  Bin Wang  Ning Xu  Zizhong Li  Jianping Jiang
作者单位:Gang Wei(Institute of Entomology, Guizhou University, Cruiyang 550025, China;Centre of Ecology, Guiyang College, Guiyang 550005, China;Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China);Bin Wang,Jianping Jiang(Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China);Ning Xu(Centre of Ecology, Guiyang College, Guiyang 550005, China);Zizhong Li(Institute of Entomology, Guizhou University, Cruiyang 550025, China) 
基金项目:The National Natural Sciences Foundation of China,the grant from the Guizhou Education Department,the Guizhou Science and Technology Department,the Guiyang Science and Technology Department 
摘    要:


关 键 词:形态演变  水生  两栖纲  无尾目  角蟾科  地面  齿向  形态特征
收稿时间:2009-01-18
修稿时间:2009-02-23

Morphological evolution from aquatic to terrestrial in the genus Oreolalax (Amphibia, Anura, Megophryidae)
Gang Wei,Bin Wang,Ning Xu,Zizhong Li,Jianping Jiang. Morphological evolution from aquatic to terrestrial in the genus Oreolalax (Amphibia, Anura, Megophryidae)[J]. Progress in Natural Science, 2009, 19(10): 1403-1408. DOI: 10.1016/j.pnsc.2009.02.010
Authors:Gang Wei  Bin Wang  Ning Xu  Zizhong Li  Jianping Jiang
Affiliation:1. Institute of Entomology, Guizhou University, Cruiyang 550025, China;Centre of Ecology, Guiyang College, Guiyang 550005, China;Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
2. Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China
3. Centre of Ecology, Guiyang College, Guiyang 550005, China
4. Institute of Entomology, Guizhou University, Cruiyang 550025, China
Abstract:
A phylogeny of 17 species in the genus Oreolalax is reconstructed based on 21 morphological characters from adult specimens, skeleton specimens, tadpoles and eggs. Four species groups are recognized, of which the O. rugosus species group is the most primitive, the O. weigoldi species group is the second, the O. omeimontis species group is the third and the O. pingii species group is the most recently diversified. Based on the evolutional tendency of the morphological characters on the phylogenetic tree, it is proposed that the evolution of tympanum, tympanic annulus, columella, spoon-like cartilage and the web between toes reflect the habit changes from aquatic to terrestrial. Thus, Oreolalax is regarded as one important representative genus to study further the evolution of morphological characters from aquatic to terrestrial.
Keywords:Aquatic   Terrestrial   Morphology   Evolution   Oreolalax
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