Nagao, T. (1939). Some molluscan fossils from the Cretaceous deposits of Hokkaido and Japanese Saghalien part II. Gastropoda. Journal of the Faculty of Science, Hokkaido Imperial University. Ser. 4, Geology and mineralogy. 4(3-4): 213-239.
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Nagao, T.
1939
Some molluscan fossils from the Cretaceous deposits of Hokkaido and Japanese Saghalien part II. Gastropoda
Journal of the Faculty of Science, Hokkaido Imperial University. Ser. 4, Geology and mineralogy