RynchocephaliaIguaniaGekkotaCordylidaeLacertidaeTeiidaeScincidaeGymnophthalmidaeAnguidaeXenosauridaeHelodermatidaeVaranusLanthanotusSnakesAmphisbaeniaDibamidaeUtahgeneysPalaescincosaurus_pharkidodonPalaescincosaurus_middletoniContogenys_sloaniContogenys_ekalakaensisParacontongenys_estesiCatactagenys_solasterPaleoxantusia_kyrentosCricosaura_typicaLepidophyma_flavimaculatumXantusia_sonoraOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Nydam_etal_2013a