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A new species of the genus Dugesia(Tricladida:Dugesiidae) from China 被引量:4

A new species of the genus Dugesia(Tricladida:Dugesiidae) from China
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摘要 A new freshwater turbellarian species, Dugesia sinensis Chen & Wang, sp. nov., is described, which was collected from Caoxi rivulet, Shaoguan, Guandong Province, China. The morphology, reproduction, histochemical localization of AChE and phylogenetics based on COI gene of the new species was observed and analysed. The new species differs from its sister species in the developed diagram of the male atrium, the bursal canal to the left of the copulatory apparatus and distance (1 mm) between copulatory bursa and the mouth. In addition, the results indicated that morphological differences of ACHE+ nerve structure can be used as a distinguishable character for species identification of genera Dugesiidae. A new freshwater turbellarian species, Dugesia sinensis Chen & Wang, sp. nov., is described, which was collected from Caoxi rivulet, Shaoguan, Guandong Province, China. The morphology, reproduction, histochemical localization of AChE and phylogenetics based on COI gene of the new species was observed and analysed. The new species differs from its sister species in the developed diagram of the male atrium, the bursal canal to the left of the copulatory apparatus and distance (1 mm) between copulatory bursa and the mouth. In addition, the results indicated that morphological differences of ACHE+ nerve structure can be used as a distinguishable character for species identification of genera Dugesiidae.
出处 《Zoological Systematics》 CSCD 2015年第3期237-249,共13页 动物分类学报(英文版)
基金 supported by University Student Innovation Project of Guangdong Province,China(2014 10590027) the National Natural Science Foundation of China(41176106) Guangdong Natural Science Foundation for Major cultivation project(2014A030308017) Shenzhen Grant Plan for Science&Technology(JCYJ20120613112512654,JSGG20130411160539208) Shenzhen special funds for Bio-industry development(NYSW20140327010012) the Youth Innovation Fund of China:Xiaoping Technological Innovation Team Project
关键词 FLATWORM TRICLADIDA new species HISTOCHEMISTRY nerve system phylogeny. Flatworm, Tricladida, new species, histochemistry, nerve system, phylogeny.
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