“瓮安生物群特征及其环境演化”是中国地质调查局科外部下达的基础研究工作项目,针对近年来我国早期生命研究的热点之一“瓮安生物群”进行多学科深入研究。项目执行期为2002年1月~2005年3月。通过项目组三年来对瓮安生物群典型地区含化石地层的深入研究,结合扬子地台其他陡山 “Characteristics and Environmental Evolution of Weng’an Biota” is a basic research project issued by the Bureau of Geological Survey of China. According to the multi-disciplinary and in-depth research on “Weng’an Biota”, one of the hot spots of early life research in China in recent years. The project implementation period is from January 2002 to March 2005. Through the project team three years to Weng’an biota typical area containing fossil strata in-depth study, combined with the Yangtze River Terrace other steep mountains