Shimizu, S.; Mabuti, S.-I. (1941). First discovery of Dictyoconites from the Upper Triassic of the Kitakami Mountainland, Northeast Japan. Jubilee Publication in the Commemoration of Professor H. Yabe, M. I. A. Sixtieth Birthday. 2: 48-49, pls 48–49.
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Shimizu, S.; Mabuti, S.-I.
1941
First discovery of Dictyoconites from the Upper Triassic of the Kitakami Mountainland, Northeast Japan.
Jubilee Publication in the Commemoration of Professor H. Yabe, M. I. A. Sixtieth Birthday