*Atsushi Matsuoka¹ (1.Department of Geology, Faculty of Science, Niigata University)

*Toshiyuki Kurihara¹, Urara Murakami², Atsushi Matsuoka² (1.Graduate School of Science and Technology, Niigata University, 2.Faculty of Science, Niigata University)

*Atsushi Matsuoka¹, Xin Li², Marco Chiari³, Angela Beritinelli⁴ (1.Department of Geology, Faculty of Science, Niigata University, 2.Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 3.Institute of Earth Sciences and Georisources, Florence, Italy, 4.University of Perugia, Italy)

*XIN LI¹, Matsuoka Atsushi², Yalin Li³ (1.State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 2.Department of Geology, Faculty of Science, Niigata University, 3.China University of Geosciences, Beijing)

*Atsushi Matsuoka¹ (1.Department of Geology, Faculty of Science, Niigata University)

*XIN LI¹, Matsuoka Atsushi² (1.State Key Laboratory of Palaeobiology and Stratigraphy, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, 2. Department of Geology, Faculty of Science, Niigata University)

*Yousuke Ibaraki¹, Ko Takenouchi¹, Takahiko Ogawara¹, Takeo Kobayashi², Atsushi Matsuoka³ (1.Fossa Magna Museum, 2.Itoigawa Geopark Council, 3.Niigata University)