Yabe, H.; Nagao, T.; Shimizu, S. (1926). Cretaceous Mollusca from the Sanchû-Graben in the Kwantô Mountainland, Japan. Science reports of the Tohoku Imperial University. 2nd series, Geology. 9(3): 33-76.
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Yabe, H.; Nagao, T.; Shimizu, S.
1926
Cretaceous Mollusca from the Sanchû-Graben in the Kwantô Mountainland, Japan
Science reports of the Tohoku Imperial University. 2nd series, Geology