湖南淡水虾类两新种(十足目:匙指虾科:米虾属)

摘要

报道湖南省淡水匙指虾科米虾属两新种.窄肢米虾Caridina angustipes sp.nov.与保靖米虾C.baojingensis Guo,He et Bai,1992近似,但新种额角长,上缘具15～27齿,下缘具3～6齿;雄性第一附肢内肢的内缘平直.棒肢米虾C.clavipes sp.nov.略似窄肢米虾C.angustipes,但前者雄性第一附肢内肢末端尖细,内缘刺少;雄性第二附肢雄附肢短而细,内缘仅具1刺,末端仅具4刺.正模标本保存在上海水产大学,副模标本保存在佛山科学技术学院.%Two new freshwater atyid shrimps,Caridina angustipes sp.nov.and C.clavipes sp.nov.from Hunan Province,China are described.C.angustipes sp.nov.is similar to C.baojingensis Guo,He et Bai,1992,but with longer rostrum,15-27 dorsal teeth,3-6 ventral teeth,and straighter inner margin of endopods in male 1st pleopods.C.clavipes sp.nov.is similar to C.angustipes,but with narrower distal and fewer spines on inner margin of endopds in male 1st pleopods,and shorter and thinner appendix masculina in male 2nd pleopods with only 1 spine on inner lateral margin and 4 spines in apex.The holotypes are deposited in Shanghai Fisheries University.Some representative paratypes are deposited in Foshan Science and Technology College.