Ramphotyphlops - Growing to 50–750 mm in length, these snakes come in a variety of colors from light beige, to red, to blackish brown.
Rhinotyphlops - Found in Africa south of the Sahara, the Middle East and India.
Typhlops - Found in southeastern Europe, the Middle East, tropical and subtropical Asia, most of Africa, Madagascar and certain islands of the Indian Ocean, the Philippines, Moluccas, New Guinea, Central America, South America and the West Indies.