MesodonMesodon is a genus of land snails in the family Polygyridae.SpeciesSpecies within the genus Mesodon include:Mesodon altivagus - wandering globeMesodon andrewsae Binney, 1879 - balsam globeMesodon clausus - yellow globelet Mesodon elevatus - proud globeMesodon mitchellianus - sealed globeletMesodon normalis - grand globeMesodon sanus - squat globeletMesodon thyroidus - white-lip globeMesodon trossulus Hubricht, 1966 - dandy globeletMesodon zaletus - toothed globeFormerly placed hereFumonelix archeri - Archer's toothed land snail Fumonelix jonesiana - Jones' middle-toothed land snail Patera clenchi - Clench's middle-toothed land snail, Mission Creek Oregonian