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Nishida & Kyuma |
1982 |
Mid-Carboniferous Ammonoids from the Akiyoshi Limestone Group (Molluscan Paleontology of the Akiyoshi Limestone Group-V).
Bulletin of the Akiyoshi-dai Museum of Natural History, 17: 1-54, 14 figs., 10 pls., Shuho, Yamaguchi pref.
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