Institution: | Shigeyuki Suzuki1,Hakuyu Okada2,SUN Chunlin3 , SUN Ge3,41.Department of Earth Sciences,Okayama University,Okayama 799-8530,Japan2.Department of Earth , Planetary Sciences,Kyushu University,Fukuoka 812-8581,Japan3.Research Center of Paleontology , Stratigraphy,Jilin University,Changchun 130026,China4.Paleontological Institute of Shenyang Normal University,Shenyang 110034,China |