Hershler, R.; Liu, H.-P.; Frest, T. J. & Johannes, E. J. (2007). Extensive diversification of pebblesnails (Lithoglyphidae: Fluminicola) in the upper Sacramento River basin, northwestern USA. Zoological Journal of the Linnean Society. 149: 371-422.
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Hershler, R.; Liu, H.-P.; Frest, T. J. & Johannes, E. J.
2007
Extensive diversification of pebblesnails (Lithoglyphidae: <i>Fluminicola</i>) in the upper Sacramento River basin, northwestern USA