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Pilsbry, H. A. (1928). Notes on some Japanese Zonitidae. Proceedings of the Academy of Natural Sciences of Philadelphia. 80: 207-210, text-figs. 1-8.
Pilsbry, H. A. (1928). Notes on some Japanese Zonitidae. Proceedings of the Academy of Natural Sciences of Philadelphia. 80: 207-210, text-figs. 1-8.
