References

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Lewis, D. 2001. Trade-Offs Between Growth and Survival: Responses of Freshwater Snails to Predacious Crayfish. Ecology 82:758-76  

Walker, B. 1918. A Synapsis of the Classification of Freshwater Mollusca of North America, North of Mexico, and a Catalogue of the more Recently Described Species, with Notes. Museum of Zoology, University of Michigan, Ann Arbor, Michigan, USA.  

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