The Family Teiidae, commonly known as whiptail lizards, comprise of around 250 species of reptiles. The Teiidae family is largely found in Central and South America, and a few species are found in the southwestern part of the United States as well. Some of the most commonly found lizards from this family are Racerunners, Ameivas, and Whiptails. The Teiidae family belongs to the order Squamata, and within this order, they are closely related to other groups of lizards such as tropidurids, iguanids, and lacertids. While some people may refer to them as whiptail lizards, others may use the term racerunner or ameiva to refer to members of the Teiidae family.