OutgroupIguanidaeLeiolepidinaeAgaminaeChamaeleonidaePolyglyphanodonMacrocephalosaurusXantusiidaeEublepharinaeGekkonines_s_lDiplodactylinaePygopodidaeSineoamphisbaenaDibamidaeAmphisbaeniaLacertidaeTeiidaeGymnophthalmidaeCordylidaeScincidaeAnguidaeXenosaurusShinisaurusHelodermaLanthanotusVaranusAigialosauridaeMosasauridaeDolichosauridaeAdriosaurusPachyrhachisHaasiophisSerpentesXianglongOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Li_etal_2007b