Minato, H. (1981). Genital Studies of the Japanese Land Snails XVII : Clausiliidae (4) : Five Species from the Ryukyu Islands. Venus (Japanese Journal of Malacology). 39(4): 236-242.
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Minato, H.
1981
Genital Studies of the Japanese Land Snails XVII : Clausiliidae (4) : Five Species from the Ryukyu Islands