Oyama, K. (1973). Revision of Matajiro Yokoyama's type Mollusca from the Tertiary and Quarternary of the Kanto area. Palaeontological Society of Japan Special Papers. 17: 1-148 + 57 pls.
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Oyama, K.
1973
Revision of Matajiro Yokoyama's type Mollusca from the Tertiary and Quarternary of the Kanto area