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Mesodon thyroidus (Say, 1817)
White-lip Globe Snail
Florida native
White-lip globe snails are found in river floodplains, wetlands and limestone ledges. They range through the eastern United States into New England, midwest as far as Michigan, southwest into Texas and south into Florida.
Mesodon thyroidus is 18-25mm (11/16 to 1 in.)in diameter and 11-18mm (7/16 to 11/16 in.) high. The shell is brown to yellowish-brown in color, with a slightly flared lip that is usually lighter.
For more information on land snails in Florida visit this UF/IFAS Entomology & Nematology Featured Creatures page.
Mesodon thyroidus is a member of the Polygyridae - Polygyrid Snails family.
For more information on this species, visit the following link:
iNaturalist page for this species
Date record last modified: Mar 31, 2026
