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Nishida, Kyuma & Egashira |
1998 |
Pronoritid ammonoids from the Upper Carboniferous of Japan and China (Molluscan Paleontology of the Akiyoshi Limestone Group-XII).
Bulletin of the Akiyoshi-dai Museum of Natural History, 33: 1-30, 15 figs., 4 tabls., 7 pls., Shuho.
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