This is a list of the known extant

reptiles Reptiles, as most commonly defined are the animals in the Class (biology), class Reptilia ( ), a paraphyletic grouping comprising all sauropsid, sauropsids except birds. Living reptiles comprise turtles, crocodilians, Squamata, squamates (lizar ...

of Arizona. The Arizona

state reptile Twenty-eight U.S. states have named an official state reptile. As with other state symbols, states compare admirable aspects of the reptile and of the state, within designating statutes. Schoolchildren often start campaigns promoting their favo ...

is the Arizona ridge-nosed rattlesnake ('' Crotalus willardi willardi'').

Turtles and tortoises

Chelydridae The Chelydridae is a family of turtles that has seven extinct and two extant genera. The extant genera are the snapping turtles, ''Chelydra'' and '' Macrochelys''. Both are endemic to the Western Hemisphere. The extinct genera are '' Acherontemy ...

Common snapping turtle The common snapping turtle (''Chelydra serpentina'') is a species of large freshwater turtle in the family Chelydridae. Its natural range extends from southeastern Canada, southwest to the edge of the Rocky Mountains, as far east as Nova Scotia ...

(''Chelydra serpentina'')

Emydidae Emydidae (Latin ''emys'' (freshwater tortoise) + Ancient Greek εἶδος (''eîdos'', “appearance, resemblance”)) is a family of testudines (turtles) that includes close to 50 species in 10 genera. Members of this family are commonly calle ...

Painted turtle The painted turtle (''Chrysemys picta'') is the most widespread native turtle of North America. It lives in slow-moving fresh waters, from southern Canada to northern Mexico, and from the Atlantic to the Pacific. They have been shown to prefer l ...

(''Chrysemys picta'') *

Desert box turtle The desert box turtle, also known as the Sonoran box turtle, (''Terrapene ornata luteola'') is a subspecies of box turtle which is endemic to the southwestern United States and northern Mexico. They are generally terrestrial but occasionally tak ...

(''Terrapene ornata luteola'') * Red-eared slider (''Trachemys scripta elegans'')

Kinosternidae

Arizona mud turtle The Arizona mud turtle (''Kinosternon stejnegeri'') is a species of mud turtle in the family Kinosternidae found in the deserts of Arizona (United States) and Sonora (Mexico). It is a semi-aquatic turtle. It lives in impermanent puddles, and avo ...

(''Kinosternon stejnegeri'') *

Yellow mud turtle The yellow mud turtle (''Kinosternon flavescens''), also commonly known as the yellow-necked mud turtle, is a species of mud turtle in the family Kinosternidae. The species is endemic to the Central United States and Mexico. Distribution *North ...

(''Kinosternon flavescens'') *

Sonora mud turtle The Sonora mud turtle (''Kinosternon sonoriense''), also known as the Sonoyta mud turtle, is a species of turtle in the Kinosternidae family. It is found in Mexico and the United States. The Sonoran mud turtle species is heavily influenced by it ...

(''Kinosternon sonoriense'')

Testudinidae

* Desert tortoise (''Gopherus agassizii'') * Sonoran Desert tortoise (''Gopherus morafkai'')

Trionychidae

Spiny softshell turtle The spiny softshell turtle (''Apalone spinifera'') is a species of softshell turtle, one of the largest freshwater turtle species in North America. Both the common name, spiny softshell, and the specific name, ''spinifera'' (spine-bearing), r ...

(''Apalone spinifera'')

Lizards

Anguidae

* Madrean alligator lizard (''Elgaria kingii'')

Crotaphytidae

Eublepharidae

Western banded gecko The western banded gecko (''Coleonyx variegatus'') is a species of lizard in the family Eublepharidae. The species is native to the southwestern United States and adjacent northwestern Mexico. Five subspecies are recognized. Geographic range ...

(''Coleonyx variegatus'')

Gekkonidae

* Mediterranean house gecko (''Hemidactylus turcicus'')

Helodermatidae

* Gila monster (''Heloderma suspectum'')

Iguanidae

Phrynosomatidae

Scincidae

Teiidae

Xantusiidae

Arizona night lizard The Arizona night lizard (''Xantusia arizonae'') is a species of small smooth-skinned gray-brown lizards with dark spots that sometimes form partial lines down the back. The lizard has a slightly flattened head. The scales of the underside and tai ...

(''Xantusia arizona'') * Bezy's night lizard (''Xantusia bezyi'') * Desert night lizard (''Xantusia vigilis'')

Snakes

Boidae

* Desert rosy boa (''Lichanura trivirgata'')

Colubridae Colubridae (, commonly known as colubrids , from la, coluber, 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest species of the family date back to the Oligocene epoch. Colubrid snakes are found on ever ...

Elapidae

* Arizona coral snake (''Micruroides euryxanthus'')

Leptotyphlopidae

* New Mexico threadsnake (''Rena dissecta'') * Western threadsnake (''Rena humilis'')

Viperidae

* Sidewinder (''Crotalus cerastes'') * Western diamondback rattlesnake (''Crotalus atrox'')

References

{{SnakesByState

Reptiles Reptiles, as most commonly defined are the animals in the Class (biology), class Reptilia ( ), a paraphyletic grouping comprising all sauropsid, sauropsids except birds. Living reptiles comprise turtles, crocodilians, Squamata, squamates (lizar ...

Arizona