(Younginiformes,(Kuhneosaurs,(Palaeagama,(Saurosternon,(Paliguana,(Archosauromorpha,((Rhynchocephalia,Sphenodon),((Iguanidae,(Agamidae,Chamaeleontidae)),(((Anguidae,Xenosauridae),(Amphisbaenia,(Serpentes,(Helodermatidae,(Lanthanotus,Varanus))))),(((Cordylidae,Scincidae),(Xantusiidae,(Lacertidae,(Gymnophthalmidae,Teiidae)))),(Dibamidae,(Gekkonidae,Pygopodidae))))))))))));