References
-
Martin, S.M. 2000. Terrestrial snails and slugs (Mollusca: gastropoda) of Maine. Northeastern Naturalist 7:33-88.
-
Rosenberg, G. and I.V. Muratov, 2006. Status report on the terrestrial Mollusca of Jamaica. Academy of Natural Sciences Of Philidelphia 155:117-161.
-
Hotopp, K.P., T.A. Pearce, J.C. Nekola, and K. Schmidt 2010. New land snail (Gastropoda: Pulmonata) distribution records for New York State. Academy of Natural Sciences of Philidelphia 159:25-30.
-
Bedford, B.L., and K.S. Godwin, 2003. Fens of the United States: distribution, characteristics, and scientific connection versus legal isolation. Wetlands 3:608-629.
-
Jeffery, N.C., 2003. Large-scale terrestrial gastropod community composition patterns in the Great Lakes region of North America. Diversity and Distributions 9:55-71.
-
The discovery in Italy of Helicodiscus (Hebetodiscus) singleyanus (Pilsbry, 1890) (Gastropoda, Punctoidea, Helicodiscidae). Accessed 3/27/11.
-
Nordsieck, R., 2010. Gastropod Morphology: The Reproduction of Gastropods. weichtiere.at.