ArchaeopteryxJeholornisSapeornisConfuciusornisVoronaPatagopteryxHongshanornisArchaeorhynchusAberratiodontusYanornisYixianornisApsaravisGansusIchthyornisNeornithesIberomesornisProtopteryxElsornisDalingheornisEoalulavisEocathayornisSinornisMSNM_V3882HalimornisConcornisNeuquenornisAvisaurusSoroavisaurusCAGS_IG_02_0901CAGS_IG_04_CM_007EoenantiornisLongipteryxLongirostravisVescornisBoluochiaGobipteryxOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Cau_et_Arduini_2008a