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For More Information go to...
http://www.uwlax.edu/biology/faculty/perez/Perez/PerezLab/Research/WIsnailslist.htm
<http://www.discoverlife.org/mp/20q?search=Polygyra+chisosensis>
<http://www.eol.org/pages/478277/entries/45325720/overview>
http://www.kiddyhouse.com/Snails/