Vagvolgyi, J. (1974). Eight new Ashmunellas from the southwestern United States (Pulmonata: Polygyridae). Proceedings of the Biological Society of Washington. 87(15): 139-166.
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Vagvolgyi, J.
1974
Eight new Ashmunellas from the southwestern United States (Pulmonata: Polygyridae).
Proceedings of the Biological Society of Washington