Members of the Chengjiang Biota from the Lower CambrianNiutitang Formation, Zunyi County, Guizhou Province,ChinaYANG Ruidong, ZHANG Weihua, JIANG Lijun and GAO Hui(Guizhou University of Technology Guiyang, Guizhou 550003)The Chengjiang Biota was called a window of the "Cambrianexplosion". The occurrence of the biota is all along restricted ineastern Yunnan Province. Recently, Naronia, Archotubaconoidalis, Isoxys, Perspicaris, Lingulepis, Tsunyidiscus,Scenella, medusiform fossil, Leptomitus, Rhabdopleura fossil,Hyolithids, Zunyiphyton perelegans Yang et Zhao, 1999,Yuknessia sp., Longenema Ding, 1996, and Sphaerocongregusvariabilis were discovered in the Lower Cambrian Niutitang