References

Baker, H.B. 1928. Proceedings of the Academy of Natural Sciences of Philadelphia. Minute
    American Zonitidae. 1:23.

Baker, H.B. 1931. Proceedings of the Academy of Natural Sciences of Philadelphia. Neartic
    Vitreine Land snails. 83:97-98

Brown, A.E. 1903. Proceedings of the Academy of Natural Sciences of Philadelphia. 55: 204-205

Dourson, D. and J. Dourson. 2006. Land snails of the Great Smokey Mountains (eastern region).

Hotopp, K. and T. Pearce. 2006. Carneegie Museum of Natural History. Land snail ecology;
    Reproduction and Life History. http://www.carnegiemnh.org/mollusks/palandsnails/ecology-
    life.html

Johnson, C.W. and H.A Pilsbry. 1920. The Nautilus. 33:115-118

Nordsieck, R. 2010. Terrestrial snails.
    http://www.weichtiere.at/english/gastropoda/terrestrial/main.html

Pilsbry, H.A. 1939-1948. Land Molluscs of North America. The Natural Academy of Natural
    Sciences of Philadelphia. 2 11:352.

Turgeon, D.D. and J.F. Quinn and A.E. Bogan and E.V. Coan and F.G Hochberg and W.G. Lyons.
    1998. American Fisheries Scoiety Special Publication. Common and scientific names of aquatic
    invertebrates from the United States and Canada: Mollusks. 26:526


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