References

Brown, R.G. and Bruder, P.M. 1968. Bulletins of American Paleontology: Wisconsin Mollusks. Colombia University Paleontological Research Institution 54:221-222.

Cordeiro, J. 2009. Euchemotrema leai. Natureserve Explorer. <http://www.natureserve.org> Accessed 4 November 2011.

Dourson, D. 2011. Kentucky’s Land Snails and their Ecological Communities. HF Group. Manchester, IN.

Global Biodiversity Information Facility. Stenotrema leai. Zipcode Zoo. <http://www.zipcodeZoo.com> Accessed 6 November 2011.  

Gugler, C.W. 1963. The Eggs and Egg-Laying Habits of Some Midwestern Snails. Transactions of the Kansas Academy of Science 66:195-201.

Hickman, H.P., Roberts, L.S., Keen, S.L., Larson, A., and Eisenhour, D.J. 2009. Animal Diversity: 5th Edition. McGraw Hill, New York, New York, USA. 180-191.

Hubricht, L. 1985. The Distribution of the Native Land Mollusks of the Eastern United States. Page 165. Fieldiana. Field museum of natural history, Chicago, IL, USA.

Martin, S.M. 2000. Terrestrial Snails and Slugs (Mollusca:Gastropoda) of Maine. Northeastern Naturalist 7:33-88.

Webb, G.R. 1950. The Sexology of Polygra septemvolva Say, Life-History Notes, Possible Utility, and Data on Stenotrema (Mollusca, Gastropoda, Pulmonata, Polygyridae). Transactions of the American Microscopical Society 69:387-393.

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