Some additional fossil trilobites were obtained by the members of the palaeontologicalTraining Team under the auspices of Ministry of Geology from the valley of Weishannear Yehli,Kaiping Basin.The collections embrace one new subgenus,four new speciesand one new variety,besides Damesella,Aojia,Lisania,Anomocarella,Poshania and Peronopsis,which are characteristic of the Changhsia formation.Being immediately over-lain by Blackwelderia-bearing beds(Kushan stage)the horizon under study is certainlyascribed to the Changhsia formation of the late Middle Cambrian.In this article thedescription of the following new forms is given