Archaeopteryx_lithographicaConfuciusornis_sanctusEnantiornis_lealiApsaravis_ukhaanaTMP_98_dot_68_dot_145Limenavis_patagonicaIchthyornis_disparIaceornis_marshiEudromia_elegansAnas_platyrhynchosGrus_canadensisLarus_delawarensisColumba_liviaPuffinus_griseusButeo_lagopusCygnus_buccinatorGavia_immerPhasianus_colchicusCorvus_coraxOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Longrich_2006a