城口华溪蟹新模标本指定(十足目:溪蟹科:华溪蟹属)

Designation of A Neotype for Freshwater Crab,Sinopotamon chengkuense Huang,Luo & Liu,1986(Decapoda:Brachyura:Potamidae)

城口华溪蟹Sinopotamon chengkuense Huang,Luo&Liu,1986隶属于溪蟹科Potamidae Ortmann,1896华溪蟹属Sinopotamon Bott,1967。因其模式标本遗失,本文为该物种指定新模,并对其头胸甲、第三颚足、雄性腹部、雄性第一和第二腹肢,以及雌性生殖孔等形态特征予以描述。

Sinopotamon chengkuense Huang,Luo Liu,1986,is classified as the genus Sinopotamon Bott（ 1967） in the family Potamidae Ortmann（ 1896）. In the present study,a neotype is designated because the type of this species is lost. A detailed description of characters including carapace,third maxilliped,male abdomen,the male first and second gonopods,as well as female gonopores（ vulvae） of the species are provided.