References

Barger, M.A. 2011. Microhabitat Use of Two Brachylaimid Trematodes in Terrestrial Gastropod Second Intermediate Hosts. Comparative Parasitology 78:185-18.

Barger, M.A. 2011. Survey of trematodes from terrestrial gastropods and small mammals in southeastern Nebraska, US. Comparative Parasitology 75:308-314.

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

Cordeiro, J. 2009. Webbhelix multilineata. Natureserve Explorer. 25 March 2011. <http://www.natureserve.org>.

Emberton, K.C. 1988. The Genitalic , Allozymic, and Conchological Evolution of the Eastern North American Tridopsinae. Malacologia 28:188-237.

"Helix". Merriam-Webster Dictionary. 23 March 2011.
<http://www.marriam-webster.com/dictionary/Helix>. 

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. 186-190.

Hotopp, K. 2005. Webbhelix multilineata. Carnegie Museum of Natural History. 3 March 2011.  <http://www.carnegiemnh.org/mollusks/palandsnails/we_multi.html>.

Hotopp, K. and Pearce, T. 2006. Land Snail Ecology: Predators & Defenses. 11 March 2011. <http://www.carnegiemnh.org/mollusks/palandsnails/ecology-predators.html>.

Hotopp, K. and Pearce, T. 2006. Land Snail Ecology: Reproduction. 11 March 2011. <http://www.carnegiemnh.org/mollusks/palandsnails/ecology-life.html>.

Pall-Gergely, B. 2011. Webbhelix multilineata, 1821. Encyclopedia of Life. 23 March 2011. <http://www.eol.org/pages/592689>.

Pilsbry, H.A. 1940. Land Mollusca of North America: Volume 1, Part 2. Monographs of the Academy of Natural Sciences of Philadelphia 1:575.

Solum, G.A. 2011. Gastropod. Encyclopedia Britannica Online. 30 March 2011. <http://www.britannica.com/EBchecked/topic/226777/gastropod>.

Sturm, C.F., Pearce, T.A., and Valdes, A. 2006. The Mollusks: A Guide to Their Study, Collection, and Preservation. Universal Publishers, Boca Raton, Florida, USA. 289-290.

 

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