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Matsuoka K. (1981). The first occurrence of the fossil Alocinma longicornis (Benson)(Mesogastropoda: Bithyniidae) from Japan. Venus, Japanese Journal of Malacology. 40: 79–85.
Matsuoka K. (1981). The first occurrence of the fossil Alocinma longicornis (Benson)(Mesogastropoda: Bithyniidae) from Japan. Venus, Japanese Journal of Malacology. 40: 79–85.