Azuma, M, Azuma, Y. & Hirata, Y. (1992). Land Molluscan Fauna of Kumejima Island, the Northwestern Okinawa, Japan, with Description of a New Taxon. Venus (Japanese Journal of Malacology). 50 (4): 264-269.
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Azuma, M, Azuma, Y. & Hirata, Y
1992
Land Molluscan Fauna of Kumejima Island, the Northwestern Okinawa, Japan, with Description of a New Taxon