-
*Hiroshi Nishi
Tohoku University Museum, Tohoku University
-
Reishi Takashima
Tohoku University Museum, Tohoku University
-
Yamanaka Toshiro
Graduate school of Natural Science and Technology
-
Keiichi Hayashi
Institute of Geology and Paleontology, Tohoku University
-
Sunao Mochiduki
Institute of Geology and Paleontology, Tohoku University
-
Hiromichi Koyasu
Institute of Geology and Paleontology, Tohoku University