Kobayashi, T. (1956). Studies on the Jurassic trigonians in Japan, Part V. Some Jurassic trigonians from central and west Japan. Japanese Journal of Geology and Geography. 27: 1-8.
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Kobayashi, T.
1956
Studies on the Jurassic trigonians in Japan, Part V. Some Jurassic trigonians from central and west Japan