SquamataDiphydontosaurusBrachyrhinodonHomoeosaurusKallimodonSapheosaurusPalaeopleurosaurusPolysphenodonC_hudsoniC_brasiliensisPamizinsaurusZapatadonSphenodonCynosphenodonOpisthiasToxolophosaurusEilenodonPriosphenodonOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Arantes_etal_2009a