Oinomikado T. & Kanehara K. (1938). A new species of Calyptogena from the Higashiyama Oil Field, Niigata-Ken, Japan. Journal of the Geological Society of Japan. 45: 677-678.
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Oinomikado T. & Kanehara K.
1938
A new species of <i>Calyptogena</i> from the Higashiyama Oil Field, Niigata-Ken, Japan