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*Akira Ijiri
Graduate school of science, Hokkaido University
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Urumu Tsunogai
Graduate school of science, Hokkaido University
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Toshitaka Gamo
Graduate school of science, Hokkaido University
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Tatsuhiko Sakamoto
Japan Marine Science and Technology Center
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Saneatsu Saito
Japan Marine Science and Technology Center
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Kiyoshi Suehiro
Japan Marine Science and Technology Center
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Yoshinori Hikida
Nakagawa Museum of Natural History