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A review of the Cypriniform tribe Yunnanilini Prokofiev,2010 from China,with an emphasis on five genera based on morphologies and complete mitochondrial genomes of some species

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Zoological Research 2021年第3期42卷 310-334页

作者： Li-Na Du Jian Yang Rui Min Xiao-Yong Chen Jun-Xing Yang Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection(Guangxi Normal University) Ministry of EducationGuilinGuangxi 541004China Guangxi Key Laboratory of Rare and Endangered Animal Ecology College of Life ScienceGuangxi Normal UniversityGuilinGuangxi 541004China Key Laboratory of Environment Change and Resources Use in Beibu Gulf Nanning Normal UniversityNanningGuangxi 530001China Kunming Institute of Zoology Chinese Academy of SciencesKunmingYunnan 650223China Southeast Asia Biodiversity Research Institute Chinese Academy of SciencesYezinNay Pyi Taw 05282Myanmar State Key Laboratory of Genetic Resources and Evolution Kunming Institute of ZoologyThe Innovative Academy of Seed DesignChinese Academy of SciencesKunmingYunnan 650223China Yunnan Key Laboratory of Plateau Fish Breeding Yunnan Engineering Research Center for Plateau-Lake Health and RestorationKunming Institute of ZoologyChinese Academy of SciencesKunmingYunnan 650223China

The loach tribe Yunnanilini from China is reviewed here using morphological characters and complete mitochondrial genomes of select species.Molecular data suggest that the tribe Yunnanilini is not monophyletic and can be divided into three clades.Species of the Yunnanilus nigromaculatus group form an independent genus and are placed in Eonemachilus.In the phylogenetic tree,Y.jinxiensis clusters with Paranemachilus genilepis,and Y.pulcherrimus clusters with Micronemacheilus cruciatus,indicating that Y.jinxiensis and Y.pulcherrimus belong to Paranemachilus and Micronemacheilus,respectively.Based on while Y.jinxiensis and Y.pulcherrimus,are placed in Paranemachilus and Micronemacheilus,respectively.Yunnanilus niulanensis and Y.qujinensis are treated as junior synonyms of Eonemachilus caohaiensis.Eonemachilus,Micronemacheilus,and Yunnanilus are show short separation between anterior and posterior nostrils.The genera can be distinguished from each other by mouth structure,lateral line and cephalic lateral-line canals,and papillae on median part of both lips.The anterior and posterior nostrils of heminoemacheilus and Paranemachilus are closely set.Paranemachilus and Micronemacheilus are distinguished by cheeks covered with scales and lips with papillae,respectively.Our phylogenetic tree and morphological characters support Traccatichthys as a valid genus,which can be distinguished from Micronemacheilus by anterior and posterior nostrils closely set(vs.clearly separated).Four species are placed in Traccatichthys.

关键词： Eonemachilus heminoemacheilus Micronemacheilus,Paranemachilus,Yunnanilus Taxonomy

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