The writer learned from Zhejiang Museum of Natural History today that Zhao Lijun, a researcher of the museum and Li Chun, a doctor from Institute of Vertebrate Paleontology and Paleoanthropology, CAS, etc. published a paper on ACTA GEOLOGICA SINACA 2008 No.2, declaring that an early plesiosaur fossil with a length of 4.2 meters was found in the mid-late Triassic strata in the northeast of Yunnan Province, China. This is the largest and most complete Pistosaurus fossil on earth so far.