KuehneosauridaeMarmorettaRhynchocephaliaAncestorIguanidaeAgamidaeChamaeleonidaeXantusiidaeGekkonidaePygopodidaeSineoamphisbaenaDibamidaeAmphisbaeniaLacertidaeTeiidaeGymnophthalmidaeCordylidaeScincidaeAnguidaeXenosauridaeHelodermaLanthanotusVaranusMosasauroideaPachyrhachisSerpentesArdeosaurusBavarisaurusDorsetisaurusEichstaettisaurusParviraptorYabeinosaurusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Evans_etal_2005ab