New Discoveries of Phaeophycean Fossils in the Early Cambrian, Haikou, Kunming,Yunnan, Southwest China The Occurrence of Longfengshania in the Early Cambrian from Haikou, Yunnan, China Leaf-like Rhodophycean Fossils in the Early Cambrian from Haikou, Kunming, Yunnan of China Discovery of Enteromophites in the Chengjiang Biota and Its Ecological Significance (in English)