Reference : - #055 Nagai and Ishikawa (1995)

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#055 1995, Nagai, H. and Ishikawa, T. Occurrence of middle Permian radiolarians from Atsumi Peninsula, central Japan. Bull. Nagoya Univ. Furukawa Museum, no.11, p.7-21, pl.1-3, text-fig.1-2. (in Japanese with English abstract)

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