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Thompson, F. G. & Hershler, R. (1991). New hydrobiid snails (Mollusca: Gastropoda: Prosobranchia: Truncatelloidea) from North America. Proceedings of the Biological Society of Washington. 104(4): 669-683.
Thompson, F. G. & Hershler, R. (1991). New hydrobiid snails (Mollusca: Gastropoda: Prosobranchia: Truncatelloidea) from North America. Proceedings of the Biological Society of Washington. 104(4): 669-683.
