Nagao T., Huzioka K. (1941). Fossil Acila from Hokkaido and Karahuto (Saghalin). Journal of the Faculty of Science, Hokkaido Imperial University, Series IV. 6(2): 114-141.
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Nagao T., Huzioka K.
1941
Fossil Acila from Hokkaido and Karahuto (Saghalin)
Journal of the Faculty of Science, Hokkaido Imperial University, Series IV