Carnegie Museum of Natural History. (2012). <URL: Accessed November 2, 2012.


Discover Life. (2012). <URL: Accessed November 2, 2012.


Dourson, D. 2010. Kentucky's land snails and their ecological communities. Goatslug Publications, Bakersville, North Carolina, USA.


Grzimek, B. 2003. Grzimek's animal life encyclopedia. Volume 2. Gale Group, Farmington Hills, Michigan, USA.


Hickman, Jr., Cleveland P., Larry S. Roberts, Susan L. Keen, Allan Larson & David J. Eisenhour. 2009. Animal diversity. McGraw-Hill, New York, NY, USA.


Illinois Department of Natural Resources. (2012). <URL: Accessed November 2, 2012.


Martin, S. 2000. Terrestrial snails and land slugs of maine. Northeastern Naturalist, 7(1):33-88.


NatureServe. (2012). <URL:


Perez, K. 2008. A guide for terrestrial gastropod identification. American Malacological Society. 


Pilsbry, H. 1940. Land Mollusca of North America (North of Mexico). Volume 1, Part 2. The Academy of Natural Science of Philidelphia, Lancaster, Pennsylvania, USA.


Whiteley, D. 1971. The oxford book of invertebrates. Oxford University Press, London, UK.


Wilbur, R. 1984. The mollusca: volume 7. Academic Press, Orlando, Florida, USA.

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