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2) Carnegie Museum of Natural History. 2011. Land Snail Diet & Behavior. Pittsburgh, PA, USA. Accessed 29 March 2012.

3) Discover Life 2012. <>. Accessed 4 April 2012.

4) Dourson, D.C. 2010. Kentucky's Land Snails and their Ecological Communities. Goatslug Publications, Bakersville, NC, USA.

5) Dourson, D. and J. Dourson. 2006. Land snails of the great smoky mountains (eastern region). Appalachian Highlands Science Learning Center and Great Smoky Mountains National Park.  

6) Encyclopedia of Life. <URL:>. Accessed 3 April 2012.

7) Hickman, C.P., L.S. Roberts, S.L. Keen, A. Larson, and D.J. Eisenhour.  2009.  Animal diversity.  5th edition.  McGraw Hill, New York, New York, USA: 179-191.

8) Hubricht, L. 1965. Four new land snails from the southeastern United States. Nautilus 79:4-7.

9) Gillis, R. 2011. Animal biology lab manual. The University of Wisconsin-La Crosse, La Crosse, Wisconsin, USA: 6-11.  

10) Snail World. <URL:>. Accessed 3 April 2012.

11) Turgeon, D.D., J.F. Quinn, Jr., A. E. Bogan, E. V. Coan, F.G. Hochberg, W.G. Lyons, et al. 1998. Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks, 2nd ed. Page 526. American Fisheries Society. Bethesda, MD, USA.>.Accessed 4 April 2012.

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