The Enterprise siltsnail, also known as the Enterprise spring snail, scientific name Floridobia monroensis, is a species of very small freshwater snails that have an operculum, aquatic gastropod mollusks in the family Hydrobiidae, the mud snails.
This species is endemic to Benson's Mineral Spring, in Florida.[1] It is named after the settlement of Enterprise, which is or was near Lake Monroe in Volusia County, Florida.