Azuma, M., Tatewaki, R. & Okamura, I. (1987). Description of a New Subspecies of the Genus Euhadra Pilsbry, 1890 (Pulmonata : Bradybaenidae) from Shimane Prefecture, Japan. Venus (Japanese Journal of Malacology). 46(4): 211-218.
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Azuma, M., Tatewaki, R. & Okamura, I.
1987
Description of a New Subspecies of the Genus Euhadra Pilsbry, 1890 (Pulmonata : Bradybaenidae) from Shimane Prefecture, Japan