Vertigo modesta (Cross Vertigo)

References

 

Burch, J.B. 1962.  How To Know The Eastern Land Snails.  W.M.C. Brown Company Publishers, Dubuque, Iowa, USA.  Pgs.   57-58, 190.

Discover Life. 2011. <URL:http://www.discoverlife.org/> Accessed 18 March 2011.

Forsyth, R.G. Terrestrial Gastropods of the Columbia Basin, British Columbia.  2002.    <URL:http://www.livinglandscapes.bc.ca/cbasin/molluscs/vertiginidae.html> Accessed 5 March 2011.

Frank, B. Jacksonville Shells. 1998. <URL:http://www.jaxshells.org/index.html> Accessed 23 February 2011.

Glenlarson.  File:Big Horn Seep 4304c.JPG.  Wikimedia Commons. <URL:http://en.wikipedia.org/wiki/File:Big_Horn_Seep_4304c.JPG> Accessed 29 March 2011.

Holyoak, G.A. 2004.  Occurrence and habitat of Vertigo modesta arctica (Gastropoda: Vertiginidae) in Andorra.  Journal of Conchology. 38: 171-173.

Lee, Y. 2007.  Special animal abstract for Vertigo modesta parietalis (land snail).  Michigan Natural Features Inventory, Lansing, MI. 5pp.

Marriot, R.W. 1988.  Vertigo-modesta, A Snail New To The British-Isles.  Journal of Conchology. 33:51-52.

Martin, S.M. 2000.  Terrestrial Snails and Slugs (Mollusca: Gastropoda) of Maine.  Northeastern Naturalist. 7(1): 33-88.

NatureServe Explorer. 2010. <URL:http://natureserve.org/> Accessed 5 March 2011.

Nekola, J.C. 2003. Terrestrial gastropod fauna of Northeastern Wisconsin and the Southern Upper Peninsula of Michigan.  American Malacological Bulletin. 18(1-2): 24pp.

Nekola, J.C., B.F. Coles, U.Bergthorsson. 2009.  Evolutionary pattern and process within the Vertigo gouldii (Mollusca: Pulmonata, Pupillidae) group of minute North American land snails.  Molecular Phylogenetics and Evolution.  53:1010-1024.

Pearce, T.A., C. Richart, W.P. Leonard, P.A. Hohenlohe. 2004. Identification Guide to Land Snails and Slugs of Western Washington. <URL:http://academic.evergreen.edu/projects/ants/tescbiota/mollusc/key/webkey.htm> Accessed 15 March 2011.

Rogerson, J.D., S. Fairbanks, L. Cornicelli.  2008.  Ecology of Gastropod and Bighorn Sheep Hosts of Lungworm on Isolated, Semiarid Mountain Ranges in Utah, USA.  Journal of Wildlife Diseases.  44(1): 28-44.