References
Hotopp, K. P. 2002. Land Snails and Soil Calcium in Central
Apalachian Mountain Forest Pages 27-44 in Southeastern
Naturalist Vol. 1 No. 1. Humboldt Field Research Institute,
Maine, USA.
http://www.jstor.org/stable/3878243?seq=7
Kralka, R. A. 1986. Population Characteristics of Terrestrial
Gastropods in Boreal Forest Habitats. Pages 156-164 in American
Midland Naturalist Vol. 115 No. 1. The University of Notre
Dame, Notre Dame, Indiana, USA.
http://www.jstor.org/stable/2425845?seq=4
Martin, S. M. 2000. Terrestrial Snails and Slugs (Mollusca:
Gastropoda) of Maine, Pages 33-88 in Northeastern Naturalist
Vol. 7 No. 1. Humboldt Field Research Institute, Maine, USA.
http://www.jstor.org/stable/3858431?seq=35
Nekola, J. C. 2003, Large-scale terrestrial gastropod
community composition patterns in the Great Lakes region of
North America, Pages 55-71 in Diversity and Distributions, Vol.
9 Issue 1. Blackwell Publishing Ltd., Boston, Massachusetts,
USA.
http://onlinelibrary.wiley.com/doi/10.1046/j.1472-4642.2003.00165.x/full
Serb, J. M. and Eernisse, D. J. 2008. Charting Evolution’s Trajectory: using Molluscan Eye Diversity to Understand Parallel and Convergent Evolution. Pages 439-447 in Evolution: Education and Outreach Vol. 1 No. 4. Springer New York, New York, USA.
Pilsbury, H. A. 1948. Land Mollusca of North America
(North of Mexico). V. 1, Part 2. page 644. Philadelphia,
Pennsylvania, USA.
http://books.google.com/books?id=EyHywT05a0QC&pg=PA649&lpg=PA649&dq=Punctum+minutissimum&source=bl&ots=wC5UAhg0wd&sig=1fw1cfcNaEgDeR52WNfKu9vRunw&hl=en&ei=kz-VTbCzPMaftwfM-dHrCw&sa=X&oi=book_result&ct=result&resnum=9&ved=0CFEQ6AEwCDgy#v=onepage&q=Punctum%20minutissimum&f=false
Links to Related Sites
http://www.animalbase.uni-goettingen.de/zooweb/servlet/AnimalBase/home/species?id=1856
http://leaflittercritters.blogspot.com/2011/02/punctum-minutissimum-small-spot.html
http://www.enotes.com/topic/Punctum_%28gastropod%29
http://en.wikipedia.org/wiki/Punctum_%28gastropod%29
http://www.jaxshells.org/minute.htm
http://commons.wikimedia.org/wiki/Category:Punctum_minutissimum
http://snailstales.blogspot.com/2005/11/some-questions-on-terrestrial-mollusks.html