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[[Image:Chinese_water_dragon.jpg|400px|thumb|right|'''Chinese water dragon (family Agamidae)''' (© Jakub Hałun, Wikimedia Commons)]]
{| border="2"
==Lizard Classification Table==
{| border="2" align="center" cellspacing="0" cellpadding="4" rules="all"; border-collapse:collapse;empty-cells:show"
|+
|+
!bgcolor="#FFCC99"| Suborder
!bgcolor="#FFCC99"| Suborder
|bgcolor="#FFFFCC"| Iguania
|bgcolor="#FFFFCC"| Iguania
|bgcolor="#FFFFCC"| Agamidae
|bgcolor="#FFFFCC"| Agamidae
|bgcolor="#FFFFCC"| Water Dragons
|bgcolor="#FFFFCC"| [[Water Dragon|Water Dragons]]
|bgcolor="#FFFFCC"| 53
|bgcolor="#FFFFCC"| 53
|bgcolor="#FFFFCC"| 300
|bgcolor="#FFFFCC"| 300
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Iguanidae
|bgcolor="#FFFFCC"| Iguanidae
|bgcolor="#FFFFCC"| Iguanas
|bgcolor="#FFFFCC"| Iguanas
|bgcolor="#FFFFCC"| 650
|bgcolor="#FFFFCC"| 650
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Chamaeleontidae
|bgcolor="#FFFFCC"| Chamaeleontidae
|bgcolor="#FFFFCC"| Chameleons
|bgcolor="#FFFFCC"| [[Chameleon|Chameleons]]
|bgcolor="#FFFFCC"| 4
|bgcolor="#FFFFCC"| 4
|bgcolor="#FFFFCC"| 85
|bgcolor="#FFFFCC"| 85
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Gekkota
|bgcolor="#FFFFCC"| Gekkota
|bgcolor="#FFFFCC"| Gekkonidae
|bgcolor="#FFFFCC"| Gekkonidae
|bgcolor="#FFFFCC"| 800
|bgcolor="#FFFFCC"| 800
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Pygopodidae
|bgcolor="#FFFFCC"| Pygopodidae
|bgcolor="#FFFFCC"| Snake lizards
|bgcolor="#FFFFCC"| Snake lizards
|bgcolor="#FFFFCC"| 31
|bgcolor="#FFFFCC"| 31
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Scincomorpha
|bgcolor="#FFFFCC"| Scincomorpha
|bgcolor="#FFFFCC"| Lacertidae
|bgcolor="#FFFFCC"| Lacertidae
|bgcolor="#FFFFCC"| 200
|bgcolor="#FFFFCC"| 200
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Teiidae
|bgcolor="#FFFFCC"| Teiidae
|bgcolor="#FFFFCC"| Tegus, whiptails
|bgcolor="#FFFFCC"| [[Black Tegu|Tegus]], whiptails
|bgcolor="#FFFFCC"| 39
|bgcolor="#FFFFCC"| 39
|bgcolor="#FFFFCC"| 227
|bgcolor="#FFFFCC"| 227
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Xantusiidae
|bgcolor="#FFFFCC"| Xantusiidae
|bgcolor="#FFFFCC"| Desert night lizards
|bgcolor="#FFFFCC"| Desert night lizards
|bgcolor="#FFFFCC"| 16
|bgcolor="#FFFFCC"| 16
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Scincidae
|bgcolor="#FFFFCC"| Scincidae
|bgcolor="#FFFFCC"| Skinks
|bgcolor="#FFFFCC"| Skinks
|bgcolor="#FFFFCC"| 1275
|bgcolor="#FFFFCC"| 1275
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Cordylidae
|bgcolor="#FFFFCC"| Cordylidae
|bgcolor="#FFFFCC"| Girdle-tailed lizards
|bgcolor="#FFFFCC"| Girdle-tailed lizards
|bgcolor="#FFFFCC"| 50
|bgcolor="#FFFFCC"| 50
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Dibamidae
|bgcolor="#FFFFCC"| Dibamidae
|bgcolor="#FFFFCC"| Blind lizards
|bgcolor="#FFFFCC"| Blind lizards
|bgcolor="#FFFFCC"| 4
|bgcolor="#FFFFCC"| 4
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Anguinomorpha
|bgcolor="#FFFFCC"| Anguinomorpha
|bgcolor="#FFFFCC"| Xenosauridae
|bgcolor="#FFFFCC"| Xenosauridae
|bgcolor="#FFFFCC"| 4
|bgcolor="#FFFFCC"| 4
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Anguidae
|bgcolor="#FFFFCC"| Anguidae
|bgcolor="#FFFFCC"| Anguids
|bgcolor="#FFFFCC"| Anguids
|bgcolor="#FFFFCC"| 75
|bgcolor="#FFFFCC"| 75
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Helodermatidae
|bgcolor="#FFFFCC"| Helodermatidae
|bgcolor="#FFFFCC"| Beaded lizard, Gila Monster
|bgcolor="#FFFFCC"| [[Mexican Beaded Lizard|Beaded lizard]], [[Gila Monster|Gila Monster]]
|bgcolor="#FFFFCC"| 1
|bgcolor="#FFFFCC"| 1
|bgcolor="#FFFFCC"| 2
|bgcolor="#FFFFCC"| 2
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Varanidae
|bgcolor="#FFFFCC"| Varanidae
|bgcolor="#FFFFCC"| Monitors
|bgcolor="#FFFFCC"| [[Monitor|Monitors]]
|bgcolor="#FFFFCC"| 1
|bgcolor="#FFFFCC"| 1
|bgcolor="#FFFFCC"| 31
|bgcolor="#FFFFCC"| 31
|-
|-
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| "
|bgcolor="#FFFFCC"|
|bgcolor="#FFFFCC"| Lanthanotidae
|bgcolor="#FFFFCC"| Lanthanotidae
|bgcolor="#FFFFCC"| Borneo earless lizard
|bgcolor="#FFFFCC"| Borneo earless lizard
|-
|-
|}
|}
* '''For more information on the lizard taxonomy, see''' [[Lizard Taxonomy and Identification|Lizard Taxonomy and Identification]].
==Families==
==Families==
* Family of lizards of the old world
* Family of lizards of the old world
* Acrodont dentition
* [[Acrodont dentition|Acrodont dentition]]
* Includes the agama (Agama agama), frilled lizard (Chamydosaurus kingii), water dragon (Psysignathus cocincinus), Egyptian spiny-tailed lizard (Uromastyx aegyptius) and the sail-fin lizard (Hydrosaurus pustulatus)
* Includes the agama (''Agama agama''), frilled lizard (''Chamydosaurus kingii''), [[Water Dragon|water dragon]] (''Psysignathus cocincinus''), [[Spiny-tailed Lizard|Egyptian spiny-tailed lizard]] (''Uromastyx aegyptius'') and the sail-fin lizard (''Hydrosaurus pustulatus'')
===Iguanidae===
===Iguanidae===
* Family of lizards in the new world and a few species in the Indian Ocean region
* Family of lizards in the new world and a few species in the Indian Ocean region
* Pleurodont dentition
* [[Pleurodont dentition|Pleurodont dentition]]
* Includes the green iguana (Iguana iguana), the green anole (Anolis carolinensis), basilisks (Basiliscus spp.), horned lizards (Phrynosoma spp.) spiny lizards (Sceloporus spp.) and West Indian rock iguanas (Cyclura spp.)
* Includes the [[Green Iguana|green iguana]] (''Iguana iguana''), the [[Green Anole|green anole]] (''Anolis carolinensis''), [[Basilisk|basilisks]] (''Basiliscus'' spp.), horned lizards (''Phrynosoma'' spp.) spiny lizards (''Sceloporus'' spp.) and [[Rhinocerous Iguana|West Indian rock iguanas]] (''Cyclura'' spp.)
===Chamaeleontidae===
===Chamaeleontidae===
* Old world or true chameleons
* Old world or true [[Chameleon|chameleons]]
* Anatomical differences from other lizards may include astonishingly long tongues, ability for colour change, oppositely opposable digits and prehensile tails.
* Anatomical differences from other lizards may include astonishingly long tongues, ability for colour change, oppositely opposable digits and prehensile tails.
* Generally viviparous
* Generally viviparous
* Generally oviparous with one to two eggs laid but some are viviparous
* Generally oviparous with one to two eggs laid but some are viviparous
* Three subfamilies are Eublepharine (no toe-pads), Sphaerodactylinae and Gekkoninae
* Three subfamilies are Eublepharine (no toe-pads), Sphaerodactylinae and Gekkoninae
* Includes the commonly kept leopard gecko (Eublepharis macularius)
* Includes the commonly kept [[Leopard Gecko|leopard gecko]] (''Eublepharis macularius'')
===Pygopodidae===
===Pygopodidae===
* Includes snake lizards (Lialis spp.) and the scalyfoot (Pygopus spp.) which are without forelimbs and their hindlimbs are reduced to flaps of skin
* Includes snake lizards (''Lialis'' spp.) and the scalyfoot (''Pygopus'' spp.) which are without forelimbs and their hindlimbs are reduced to flaps of skin
===Lacertidae===
===Lacertidae===
* Wall or sand lizards of the old world
* Wall or sand lizards of the old world
* Insectivorous
* Insectivorous
* All oviparous except the viviparous lizard (Lacerta vivapara)
* All oviparous except the viviparous lizard (''Lacerta vivapara'')
* Includes the oscellated green lizard (Lacerta lepida), rock lizard (Lacerta saxicola)
* Includes the oscellated green lizard (''Lacerta lepida''), rock lizard (''Lacerta saxicola'')
===Teiidae===
===Teiidae===
* New world equivalents of the Lacertidae
* New world equivalents of the Lacertidae
* The smaller are insectivorous and the larger carnivorous
* The smaller are insectivorous and the larger carnivorous
* Includes the whiptails and racerunners (Cnemidophorus spp.), jungle runners (Ameiva spp.) and tegus (Tupinambis spp.)
* Includes the whiptails and racerunners (''Cnemidophorus'' spp.), jungle runners (''Ameiva'' spp.) and [[Black Tegu|tegus]] (''Tupinambis'' spp.)
===Xantusiidae===
===Xantusiidae===
* Desert night lizards
* Desert night lizards
* Xantusia spp.
* ''Xantusia'' spp.
===Scincidae===
===Scincidae===
* True skinks
* True skinks
* Little sexual dimorphism
* Little sexual dimorphism
* Includes the blue-tongued skink (Tiliqua spp.), prehensile-tailed skink (Corucia zebrata), five-lined skink (Eumeces fasciatus) and the casqueheads (Tribolonotus spp.)
* Includes the blue-tongued skink (''Tiliqua'' spp.), [[Prehensile-tailed Skink|prehensile-tailed skink]] (''Corucia zebrata''), five-lined skink (''Eumeces fasciatus'') and the casqueheads (''Tribolonotus'' spp.)
===Cordylidae===
===Cordylidae===
* Zonures or girdle-tailed lizards
* Zonures or girdle-tailed lizards
* All require very hot, dry conditions
* All require very hot, dry conditions
* Includes Cordylus spp.
* Includes ''Cordylus'' spp.
===Dibamidae===
===Dibamidae===
* Blind lizards
* Blind lizards
* Dibamus and Anelytropsis spp.
* ''Dibamus'' and ''Anelytropsis'' spp.
===Xenosauridae===
===Xenosauridae===
===Helodermatidae===
===Helodermatidae===
* Two species that are the only venomous lizards
* Two species that are the only venomous lizards
* Gila monster (''Heloderma suspectum'') and the Mexican beaded lizard (''Heloderma horridum'')
* [[Gila Monster|Gila monster]] (''Heloderma suspectum'') and the [[Mexican Beaded Lizard|Mexican beaded lizard]] (''Heloderma horridum'')
===Varanidae===
===Varanidae===
* Monitor lizards
* [[Monitor|Monitor]] lizards
* Mostly large powerful predators or carrion eaters
* Mostly large powerful predators or carrion eaters
* Includes the savannah monitor (''Varanus exanthematicus''), Nile monitor (''Varanus niloticus'') and the Komodo dragon (''Varanus komodoensis'')
* Includes the [[Monitor|savannah monitor]] (''Varanus exanthematicus''), [[Monitor|Nile monitor]] (''Varanus niloticus'') and the Komodo dragon (''Varanus komodoensis'')
===Lanthanotidae===
===Lanthanotidae===