The (Anguimorpha) - superfamily
(Neoanguimorpha) -
(Diploglossa)
(Anguioidea)

(Anguidae)
- family

(Anniellidae)
- family

(Diploglossidae)
- family
(Xenosauroidea)

(Xenosauridae)
- family
(Monstersauria)
(Estesia)

()
- family

()
- family

()
- family

()
- family
(Gobiderma)

()
- family

()
- family

()
- family

()
- family
(Heloderma)

()
- family

()
- family

()
- family

()
- family
(Primaderma)

()
- family

()
- family

()
- family

()
- family
(Paleoanguimorpha) -
()
()

()
- family

()
- family

()
- family

()
- family
(Platynota) -

(Lanthanotidae)
- family
The Monitors (Varanoidea)

(Varanidae)
- family