Reference : - #042 Ando, Tsukamoto and Saito (1991)
#042 1991, Ando, H., Tsukamoto, H. and Saito, M. Permian radiolarians in the Mt. Kinkazan area,
Gifu City, central Japan. Bull. Mizunami Fossil Museum, no.18, p.101-106, pl.9,
text-fig.2, table 1. (in Japanese with English abstract)
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