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*Kazuhiko Kano
The Kagoshima University Museum, Kagoshima University
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Takeshi Ohguchi
Akita University
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Yohei Ishikawa
Akita University
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Keizo Yanai
formerly Iwate University
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Yukio Fujimoto
Geological Society of Education, Akita
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Kazuhiko Uemura
National Museum of Nature and Science, Tokyo
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Kenshiro Ogasawara
University of Tsukuba