Sakamoto, T.; Sugimura, A.; Ishibashi, T. (2000). Codonofusiella zone of the Akiyoshi Limestone Group, southwest Japan. 秋吉台科学博物館報告 - Bulletin of the Akiyoshi-dai Museum of Natural History. 35: 21-37.
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Sakamoto, T.; Sugimura, A.; Ishibashi, T.
2000
Codonofusiella zone of the Akiyoshi Limestone Group, southwest Japan
秋吉台科学博物館報告 - Bulletin of the Akiyoshi-dai Museum of Natural History