References

Anderson, F.E. and D.A. Smith. 2005. A redescription of the carinate pillsnail,                  Euchemotrema hubrichti (Pilsbry, 1940) (Pulmonata: Polygyridae), with notes on habitat and genetics. Zootaxa 806:1-11.

Anderson, F.E. Conservation assessment for the carinate pillsnail, Euchemotrema hubrichti. Eastern Region of the Forest Service 1:1-11.

Anderson, F. E. 2006. The biology and population genetics of Euchemotrema Hubrichti, a highly restricted endemic polygyrid land snail in Illinois. Tentacle 14:5-6.

Burch, J. B. 1962. How to know the Eastern land snails. WM. C. Brown Company Publishers, Dubuque, Iowa, USA.

Hickman, C. P., L. S. Roberts, S. L. Keen, A. Larson, and D. J. Eisenhour. 2007. Animal diversity, fifth edition. McGraw-Hill Companies Inc., New York, New York, USA.

National Park Service 12 October 2011. <URL: http://www.nature.nps.gov/nnl/site.cfm?Site=LAPI-IL>. Accessed 22 March 2012.

Northern Research Station 2011. <URL: http://nrs.fs.fed.us/rna/il/shawnee/larue-pine-hills-otter-pond/>. Accessed 22 March 2012.

Tulane.edu 2010. <URL: http://www.tulane.edu/`bwee/eeb111/GreekLatin%2oRoots.html> Accessed 23 March 2012.

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