The Lizards (Lacertilia) - suborder
The Lacertids (Lacertoidea) - superfamily
The Worm Lizards
(Amphisbaenidae)
- family
The True Lizards
(Lacertidae)
- family

(Teiidae)
- family

(Gymnophthalmidae)
- family
The Agamids (Anguimorpha) - suborder?

(Anguidae)
- family

(Anniellidae)
- family

(Shinisauridae)
- family

(Xenosauridae)
- family
(Platynota) -

(Helodermatidae)
- family

(Lanthanotidae)
- family
(Varanoidea) - superfamily

(Dolichosauridae)
- family

(Necrosauridae)
- family
The Monitors
(Varanidae)
- family

(Eolacerta)
-extinct-

(Paravaranus)
-extinct-

(Anguoidea)

(Pythonomorpha)
The Glass Lizards
(Anguidae)
- family
The Geckos (Gekkota) - infraorder

(Carphodactylidae)
- family

(Diplodactylidae)
- family

(Eublepharidae)
- family

(Gekkonidae)
- family

(Phyllodactylidae)
- family

(Pygopodidae)
- family

(Sphaerodactylidae)
- family
The Iguanids (Iguania) - infraorder
The Agamids
(Agamidae)
- family
The Chameleons
(Chamaeleonidae)
- family
The Helmet Lizards
(Corytophanidae)
- family
The Collared Lizards & Leopard Lizards
(Crotaphytidae)
- family
The Anoles
(Dactyloidae)
- family
The Dwarf & Spinytail Iguanas
(Hoplocercidae)
- family
The Iguanas
(Iguanidae)
- family

(Leiocephalidae)
- family
The Leiosaurs
(Leiosauridae)
- family
The South American Swifts
(Liolaemidae)
- family
The Malagasy Iguanas
(Opluridae)
- family
The North American Spiny Lizards
(Phrynosomatidae)
- family

(Polychrotidae)
- family
The Tropidurine Lizards
(Tropiduridae)
- family
The Skinks (Scincomorpha) - infraorder
The Skinks
(Scincidae)
- family

(Cordylidae)
- family

(Gerrhosauridae)
- family
The Night Lizards
(Xantusiidae)
- family
(Platynota) - infraorder
The Monitors
(Varanidae)
- family
The Beaded Lizards & Gila Monster
(Helodermatidae)
- family