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Two new Mesenchytraeus species (Annelida: Clitellata: Enchytraeidae) from Changbai Mountain, China

文献类型：期刊论文

作者Zhang, Junqian1; Lu, Yajing1,2; Xie, Zhicai1
刊名ZOOTAXA
出版日期2018-10-05
卷号4496期号:1页码:382-394
关键词China Enchytraeidae Oligochaeta Mesenchytraeus new species Mt. Changbai
ISSN号1175-5326
DOI10.11646/zootaxa.4496.1.28
通讯作者Xie, Zhicai(zhcxie@ihb.ac.cn)
英文摘要The Changbai Mountain in northeast China harbours a species-rich enchytraeid fauna, and ca. 50 species of 11 genera have been reported so far from its well-preserved ecosystems. Herein, we add two new species of Mesenchytraeus into this enchytraeid list. Both members belong to the lineage of Mesenchytraeus with enlarged ventral chaetae. Mesenchytraeus spermatoglomeratus sp. nov. is characterized by the presence of enlarged chaetae in V-VI and XI (2 per bundle), five pairs of preclitellar nephridia (VI/VII-X/XI), sperm sacs containing curly ball-shaped sperm bundles, spermathecae without diverticula, atrium with 4-6 developed prostate glands and long vasa deferentia backward to XV-XXII. Mesenchytraeus liberothecus sp. nov. is diagnosed by the presence of enlarged chaetae in V-VI (2 per bundle), five pairs of preclitellar nephridia (VI/VII-X/XI), asymmetrical paired sperm sacs containing flame-shaped sperm bundles, spermathecae with two small diverticula but free from oesophagus, atrium with 4-5 large prostate glands and short vasa deterentia confined to XI and XII. The major differences between the new species and their congeners are discussed. We also add them into the key of this enlarged chaetae lineage.
WOS关键词VENTRAL CHAETAE ANNELIDA ; EUROPEAN TERRESTRIAL ; OLIGOCHAETA ; MEGACHAETUS ; KOREA ; GUIDE
资助项目National Natural Science Foundation of China[31272270] ; National Natural Science Foundation of China[41571495]
WOS研究方向Zoology
语种英语
WOS记录号WOS:000446293800026
出版者MAGNOLIA PRESS
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://ir.ihb.ac.cn/handle/342005/29235]  
专题水生生物研究所_水生生物多样性与资源保护研究中心_期刊论文
通讯作者Xie, Zhicai
作者单位1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Aquat Biodivers & Conservat, Wuhan 430072, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Junqian,Lu, Yajing,Xie, Zhicai. Two new Mesenchytraeus species (Annelida: Clitellata: Enchytraeidae) from Changbai Mountain, China[J]. ZOOTAXA,2018,4496(1):382-394.
APA Zhang, Junqian,Lu, Yajing,&Xie, Zhicai.(2018).Two new Mesenchytraeus species (Annelida: Clitellata: Enchytraeidae) from Changbai Mountain, China.ZOOTAXA,4496(1),382-394.
MLA Zhang, Junqian,et al."Two new Mesenchytraeus species (Annelida: Clitellata: Enchytraeidae) from Changbai Mountain, China".ZOOTAXA 4496.1(2018):382-394.

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来源：水生生物研究所

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