Cyclophoridae is a taxonomic family of small to large tropical land snails with an operculum, terrestrial gastropod mollusks in the informal group Architaenioglossa belonging to the clade Caenogastropoda (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005). This diverse family with many species is now limited to the representatives in the tropics and subtropics of the Old and New World. Their fossil history dates back to the Early Tertiary