cm 0cm 0pt" class=MsoNormal>FONT-SIZE: 14pt" lang=EN-US>The present paper briefly reviewed all these fossil biotas, their preservations and environments. Except for the Cambrian Chengjiang, Guanshan and Kaili faunas with the characteristic “Burgess Shale-type” preservation, the fossil Lagersttätten are unique taphonomic windows. Integrated analyses of all biotas in space and time, the authors conclude that: 1) no unambiguous animal fossils before Ediacaran; and 2) animal life experienced episodic four radiations and four extinctions across the Precambrian Cambrian transitional interval. In addition, fossils evidence from ce prefix = st1 ns = "urn:schemas-microsoft-com:office:smarttags" />ce w:st="on">South Chinace> indicates that animals show an onshore-offshore pattern during their early evolution, and first colonization of animals occurred in Qiongzhusian.ce prefix = o ns = "urn:schemas-microsoft-com:office:office" />