Find out where we learned everything from!



Auffenberg, K. and L. A. Stange. 1989. The Polygyridae (Gastropoda: Pulmonata) of Florida. 1. Key to the Genera and Subgenera. Entomology Circular 317: 1-4.

Baker, F. C. 1939. Fieldbook of illinois land snails. Illinois Natural History Survey 2:40. 

BioExpedition 2012. <URL:>. Accessed 27 March 2012.

Biology Questions and Answers 2003. <URL:>.  Accessed 26 March 2012

Bourquin, A. 2000.<URL:>. Accessed 26 March 2012.

Carnegie Museum of Natural History 2005. <URL:>. Accessed 27 March 2012.

Encyclopedia of Life. <URL:>. Accessed 24 March 2012.


Florida Museum of Natural History 1990. <URL:>. Accessed 27 March 2012.

Grimm, F. W., Forsyth, R. G. Schueler, F. W. and Karstad, A. 2009. Identifying Land Snails and Slugs in Canada: Introduced Species and Native Genera. Her Majesty the Queen in Right of Canada (Canadian Food Inspection Agency), Canada.

Keeling, P., Leander, B. S., and Simpson, A. 2009.<URL:>.  Accessed 28 March 2012.

Kennedy, J. 2012.<URL:>. Accessed 28 March 2012.

Kerrie 2010.< >. Accessed 25 March 2012.

Klappenbach, L. 2012.<URL:>. Accessed 25 March 2012.

Lowe, et al. 1990. Noonday globe (snail). Mollusks: Terrestrial Gastropods 1990: 67.

Margulis, L. 1998. Five kingdoms : an illustrated guide to the phyla of life on earth. W. H. Freeman, New York, New York, USA.

Mena, J. 2012.<URL:>. Accessed 28 March 2012.

Michigan Natural Features Inventory 2007. <URL:>. Accessed 27 March 2012.

Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2008. . Accessed March 23, 2012.

Nekola, J. C. and B. F. Coles. 2001. Systematics and ecology of Gastrocopta (Gastrocopta) rogersensis (Gastropoda: Pupillidae), a new species of land snail from the Midwest of the United States of America. The Nautilus 115: 105-114.

Perez, K. E. and J. R. Cordeiro. 2008. Polygyridae. American Malacological Society: A Guide for Terrestrial Gastropod Identification 2008: 43-48.

Ramel, G. 2012.<URL:>. Accessed 28 March 2012.

Ruhoff, F. A. 1973. Bibliography and zoological taxa of Paul Bartsch [by] Florence A. Ruhoff. Smithsonian Institution Press, Washington, DC, USA.  

Swinton, W. 1879. New word-analysis or school etymology of English derivative words. American Book Company: 136.

Thorp, J. H. 2009. Ecology and classification of north american freshwater invertebrates. Academic Press 10: 281.

Thorp, J. H. and D. C. Rogers. 2010. Field guide to freshwater invertebrates of north america.
Academic Press 2010: 70.

What-when-how 2012.<URL:>. Accessed 25 March 2012.

Wilbur, K. M. 1966. Physiology of Mollusca. Academic Press, New York, New York, USA.             

ZipcodeZoo 2012.<URL:>. Accessed 28 March 2012.



Click to learn a little about us!