Mesodon thyroidus

{{Short description|Species of gastropod}} {{Speciesbox | image = MesodonThyroidusExBinney.jpg | image_caption = Three views of a shell of ''Mesodon thyroidus'' from W. G. Binney, 1878<ref>Binney, William G. (1878). The Terrestrial Air-Breathing Mollusks of the United States and Adjacent Territories of North America. Vol. 5 (plates). Bull. Mus. Comparative Zool., Harvard. Plate 11.</ref> | status = G5 | status_system = TNC | status_ref = <ref name=NS>{{cite NatureServe |id=2.110174 |title=''Mesodon thyroidus'' |access-date=25 May 2026}}</ref> | taxon = Mesodon thyroidus | authority = ((Say, 1816) | synonyms = }}

'''''Mesodon thyroidus''''' is a species of air-breathing land snail, a terrestrial gastropod mollusk in the family Polygyridae.

== Parasites == Parasites of ''Mesodon thyroidus'' include: * The nematode ''Parelaphostrongylus tenuis''<ref name="DNRE">Michigan Department of Natural Resources and Environment. [http://www.michigan.gov/dnr/0,1607,7-153-10370_12150_12220-26502--,00.html "Brainworm"]. accessed 14 December 2010.</ref>

==References== {{Reflist}}

==External links== *[http://entnemdept.ifas.ufl.edu/creatures/misc/gastro/terrestrial_snails.htm ''Mesodon thyroidus''] on the UF / IFAS Featured Creatures Web site

Category:Polygyridae Category:Gastropods described in 1816 Category:Taxa named by Thomas Say