Reference : - #031 Nagai (1987)

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#031 1987, Nagai, H., Middle Jurassic Eucyrtidiellum (Radiolaria) from Kutsuwano, Gifu Prefecture, central Japan. Bull. Nagoya Univ. Museum, no.3, p.1-11, pl.1-3, text-fig.1-3, table 1. (in Japanese with English abstract)

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