 The genus is endemic to the West Indies.Some species which were formerly placed in the genus "Typhlops" have been moved to the genera "Afrotyphlops, Amerotyphlops, Anilios, Antillotyphlops, Argyrophis, Cubatyphlops, Indotyphlops, Letheobia, Madatyphlops, Malayotyphlops", and "Xerotyphlops".