References

Links To Relevant Outside Web Pages

Information on Patera pennsylvanica from Encyclopedia of Life

Information on Patera pennsylvanica from Discover Life

Information on Patera pennsylvanica from ZipcodeZoo

References

Barnhart, M. C. 1986. Respiratory gas tensions and gas exchange in active and dormant land snails, Otala lactea . Physiological zoology, 733-745.

Blinn, W. C. 1963. Ecology of the land snails Mesodon thyroidus and Allogona profunda. Ecology, 498-505.

Chase, R. 2007. Gastropod reproductive behavior. Scholarpedia. Volume 2 Part 9: 4125 <http://www.scholarpedia.org/w/index.php? title=Gastropod_reproductive_behavior&action=cite&rev=78574> Accessed 15 October 2012.

Encyclopedia of Life 2012. <URL: http://eol.org/>. Accessed 15 October 2012.

Ghiselin, M. T. 1966. The adaptive significance of gastropod torsion. Evolution, 20, 337-348.

Global Biodiversity Information Facility 2007. <URL: http://data.gbif.org/species/5190851>. Accessed 15 October 2012.

Grewal, P. S., Grewal, S. K., Tan, L., & Adams, B. J. (2003). Parasitism of molluscs by nematodes: types of associations and evolutionary trends. Journal of Nematology, 35, 146-156.

Hickman Jr., C.P, Roberts, L.S., Keen, S.L., Larson, A., Eisenhour, D.J. 2012. Animal Diversity. Sixth Edition. McGraw-Hill Companies, Inc. New York, NY, USA.

Hotopp, K. and Pearce, T. 2006. Land Snail Ecology: Diet and Behavior. <URL: http://www.carnegiemnh.org/mollusks/palandsnails/ecology-diet.html>. Accessed 15 October 2012.

Hotopp Ken. 2005. Land Snail Ecology. Carnegie Museum of Natural History. <URL:http://www.carnegiemnh.org/mollusks/palandsnails/ecology.html>. Accessed 15 October 2012.

Hotopp, K.P., and T.A. Pearce. 2006. Land Snails of Pennsylvania.Carnegie Museum of Natural History, Pittsburgh, PA, USA. <http://www.carnegiemnh.org/science/mollusks/palandsnails > Accessed 15 October 2012.

Information and Facts about Snails 2012. <URL: http://www.snail-world.com/Life-Cycle-of-a-Snail.html> Accessed 15 October 2012.

Kay, E. A. 1995. Hug a slug–save a snail: A status report on molluscan diversity and a framework for action. The IUCN Species Survival, 53-55.

Klappenbach, L. Molluscs. About. <URL: http://animals.about.com/od/molluscs/p/molluscs.htm> Accessed 8 November 2012.

Nekola, J.C. 2009. Conservation Prioritization of the Quebec Land Snail Faunas. Committee on the Status of Endangered Wildlife In Canada. <URL: http://sev.lternet.edu/~jnekola/nekola%20pdf/cosewic%20final%20report.pdf>. Accessed 15 October 2012.

Nordsieck, R. 2011. Nutrition of Snails. The Living World of Molluscs <URL: http://www.molluscs.at/gastropoda/index.html?/gastropoda/morphology/feeding.html>. Accessed 15 October 2012.

Nordsieck, R. 2011. Reproduction. The Living World of Molluscs. <URL:http://www.molluscs.at/gastropoda/index.html?/gastropoda/sea/opisthobranchia.html>. Accessed 15 October 2012.

Pilsbury, H.A. 1940. Land Mollusca of North America (North of Mexico). The Academy of Natural Sciences of Philadelphia. Lancaster, Pennsylvania, USA. Volume 1 Part 2.

Rook. 2012. Fraxinus pennsylvanica. <URL: http://www.rook.org/earl/bwca/nature/trees/fraxinuspenn.html> Accessed 2 November 2012.

Rowley, M. A., Loker, E. S., Pagels, J. F., & Montali, R. J. 1987. Terrestrial gastropod hosts of Parelaphostrongylus tenuis at the National Zoological Park's Conservation and Research Center, Virginia. The Journal of parasitology, 1084-1089.

Schuman, E. 2002. The Sound of a Wild Snail Eating. The Missouri Review, 25, 31-42.

The Free Dictionary. 2012. <URL: http://medical-dictionary.thefreedictionary.com/Adaptation+(biology)> Accessed 8 November 2012.

Van Holde, K. Miller, K. Decker, H. 2001. Hemocyanins and Invertebrate Evolution. The Journal of Biological Chemistry, 276, 15563-15566.

Wikipedia contributors. 2012. Hermaphrodite. Wikipedia, The Free Encyclopedia. <URL: http://en.wikipedia.org/w/index.php?vtitle=Hermaphrodite&oldid=520801327> Accessed November 8 2012.

Wikipedia contributors. 2012. Patera (gastropod). Wikipedia, The Free Encyclopedia. <URL: http://en.wikipedia.org/wiki/Patera_(gastropod)> Accessed 2 November 2012.

Wiley Online Library. 2012. <URL: http://onlinelibrary.wiley.com/doi/10.1002/jmor.1051500406/abstract> Accessed 8 November 2012.

ZipcodeZoo. 2012. <URL: http://zipcodezoo.com/>. Accessed 2 November 2012.

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