References:

Alabama Wildlife Federation 2012. http://alabamawildlife.org/stewardship/?pageID=54. Accessed December 06, 2012.

Anton, Max 2010. http://www.molluskman.com/Land_Snails.html. Acessed October 4, 2012.

Dirrigl Jr., Frank J., and Robert H. Mohlenbrock 2012. Land Snails In Ephemeral Pools At Ottine Swamp, Gonzales County, Texas. Southwestern Naturalist 57.3: 353-355.

Encyclopedia of Life 2012. http://eol.org/pages/399725/overview. Accessed October 3, 2012

Hickman, Cleveland P., Roberts, Larry S., et al. 2012. Animal Diversity. The McGraw-Hill Companies, Inc, New York, NY, USA.

Hutchins, Michael, Thoney, Dennis et. al. 2004. Grizimek's Animal Encyclopedia, Second Edition. Volume 2. Gale Group, Farmington Hills, Michigan, USA.

NatureServe 2012. http://www.natureserve.org/explorer/servlet/NatureServe?searchName=Mesodon+trossulus. Accessed November1, 2012.

Nordsieck, Robert (2001 – 2012). http://www.molluscs.at. Accessed November 6, 2012.

Pilsbry, H. 1940. Land Mollusca of North America (North of Mexico). Wickersham Printing Company, Lancaster, Pennsylvania, USA.702-705

Turgeon, D. D., J. F. Quinn, Jr. et al. 1998. Common and scientific names of aquatic invertebrates from the United States and Canada. Mollusks 2: 526

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