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Progress of Research on Mitten Crabs Classification and Germplasm Resources of Chinese Mitten Crabs

ZHANG Dai-zhen1,SUN Hong-ying2,ZHANG Hua-bin1,TANG Bo-ping1(1.Jiangsu Provincial Key Laboratory of Coastal Wetland Bioresources and Environmental Protection,Yancheng Teachers College,Yancheng,Jiangsu,224002,China;2.Jiangsu Key Laboratory for Biodiversity and Biotechnology,Nanjing Normal University,Nanjing,Jiangsu,210097,China)  
Latest research reveals that mitten crabs include two valid genera:Neoeriocheir and Platyeriochei.N.leptognatha is the only valid species of Neoeriocheir,and both E.recta and E.japonica are valid species of genus Erichocheir.There are three different geographic subspecies:E.j.japonica,E.j.sinensis and E.j.hepuensis in E.japonica.E.j.sinensis is divided into south and north group by different rivers across Chinese Mainland,and different rivers among groups represent different geographic population.Molecular marker of RAPD can stably distinguish E.j.sinensis and E.j.hepuensis.But identification of different geographic populations is needed for further research.
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