ArchosauriaSphenodonDibamidaeGekkoninaeEublephariinaeDiplodactylinaePygopodidaeGymnophthalmidaeTeiidaeLacertidaeAmphisbaeniaXantusiidaeCordylidaeScincidaeIguanidaeLeiolepidinaeAgaminaeChamaeleonidaeAnguidaeXenosauridaeShinisauridaeHelodermatidaeLanthanotusVaranidaeSerpentesTikiguaniaPolyglyphanodonMacrocephalosaurusSineoamphisbaenaMarmorettaClevosaurusGephyrosaurusDiphyodontosaurusPlanocephalosaurusPalaeopleurosaurusKuehneosauridaeOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Hutchinson_etal_2012aa