(Varanoidea,(Pachyrhachis,(Haasiophis,(Madtsoiidae,(Dinilysia,((Leptotyphlopidae,(Typhlopidae,Anomalepididae)),((Anilius,(Cylindrophis,(Uropeltidae,Anomochilus))),((Xenopeltis,Loxocemus),(((Pythoninae,Boinae),(Calabaria,Erycinae_S_S)),(Ungaliophiinae,(Tropidophiinae,(Bolyeriinae,(Acrochordidae,Colubroidea_Crot)))))))))))));