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The Lower Triassic is well outcropped in central and southern Anhui Province,East China,and it consists of the Yinkong,Helongshan and Nanlinghu Formations in an ascending order.The Helongshan Formation belonging to the Smithian has been well studied in this project because of the typical sedimentary features and different fossil types which are not similar to the lower Yinkeng Formation or the
The Lower Triassic is well outcropped in central and southern Anhui Province, East China, and it consists of the Yinkong, Helongshan and Nanlinghu Formations in an ascending order. The Helongshan Formation belonging to the Smithian has been well studied in this project because of the typical sedimentary features and different fossil types which are not similar to the lower Yinkeng Formation or the