Teiidae is a family of autarchoglossan lizards native to the Americas. Members of this family are generally known as whiptails or racerunners; however, tegus also belong to this family. Teiidae is sister to the Gymnopthalmidae, and both families comprise the Teiioidea. The Teiidae includes several parthenogenic species – a mode of clonal reproduction. Presently, the Teiidae consists of approximately 150 species in eighteen genera.
Dicrodon is a genus of lizards in the family Teiidae. Commonly known as desert tegus, there are three described species.
The genus Dracaena, also called caiman lizards or water tegus, is in the teiid family, along with tegus and ameivas.
Teius is a genus of lizard that belongs to the family Teiidae. All species are endemic to southern South America.
Tupinambis is a lizard genus which belongs to the family Teiidae and contains eight described species. These large lizards are commonly referred to as tegus. T. teguixin is popular in the pet trade. They are primarily found in South America, although T. teguixin also occurs in Panama.
Cercosaura is a genus of lizards in the family Gymnophthalmidae. The genus is endemic to South America.
Echinosaura is a genus of lizards, called commonly the spined tegus, in the family Gymnophthalmidae. The genus is endemic to Central America and South America.
Euspondylus is a genus of lizards in the family Gymnophthalmidae.
Gymnophthalmus is genus of lizards in the family Gymnophthalmidae. The genus is native to Mexico, Central America, and the northern part of South America. Eight species are recognized as being valid.
Proctoporus is a genus of medium-sized lizards assigned to the family Gymnophthalmidae. Species in the genus Proctoporus occur in Yungas forests and wet montane grasslands on the upper edge of the Amazonian forest, between 1,000 and 4,000 metres elevation, from Central Peru in the north to Central Bolivia in the south.
The Argentine black and white tegu, also known as the Argentine giant tegu, the black and white tegu, or the huge tegu, is a species of lizard in the family Teiidae. The species is the largest of the "tegu lizards". It is an omnivorous species which inhabits the tropical rain forests, savannas and semi-deserts of eastern and central South America.
The gold tegu, also known as the golden tegu, common tegu, black tegu, Colombian black and white tegu and tiger lizard, is a species of tegu.
The red tegu is a lizard native to western Argentina, Bolivia and Paraguay. It is sold in the pet trade around the world due to its ease of care and relatively docile nature.
Loxopholis is a genus of lizards in the family Gymnophthalmidae. The genus is endemic to South America.
Vanzosaura is a genus of lizards in the family Gymnophthalmidae. The genus is endemic to South America.
Salvator is a genus of lizards known as tegus which belong to the family Teiidae.
Euspondylus guentheri, Günther's sun tegus, is a species of lizard in the family Gymnophthalmidae. It is endemic to Ecuador, and has also been reported from Peru. The tegus lives in lowland tropical and subtropical forest habitats.The species epithet is in honour of Albert Günther, a German-born British zoologist. They are mostly diurnal, spending time in low branches or basking on the ground. If threatened, the lizards will run for cover.
Tretioscincus agilis, the smooth tegu, is a species of lizard in the family Gymnophthalmidae. It is found in Guyana, Suriname, French Guiana, Brazil, Venezuela, and Colombia.
Tretioscincus bifasciatus, the Rio Magdalena tegu, is a species of lizard in the family Gymnophthalmidae. It is found in Suriname, French Guiana, Venezuela, Margarita Island, Aruba, Curaçao, Bonaire, and Colombia.
Tretioscincus oriximinensis, the Oriximina lizard, is a species of lizard in the family Gymnophthalmidae. It is found in Brazil, Venezuela, and Colombia.
