Corucia

Najash

Dinilysia

Madtsoiidae

Dibamidae

Amphisbaenia

Eupodophis

Haasiophis

Pachyrhachis

Leptotyphlopidae

Anomalepididae

Typhlopidae

Anilius

Cylindrophis

Uropeltidae

Anomochilus

Loxocemus

Xenopeltis

Tropidophiinae

Bolyeriinae

Colubroidea

Acrochordus

Ungaliophiinae

Erycinae

Boinae

Pythoninae