LepidosauromorphaRhynchosauriaTrilophosaurusProterosuchidaeErythrosuchidaeDoswelliaEuparkeriaProterochampsidaeOrnithosuchidaeParasuchiaAetosauriaRauisuchidaePoposauridaebasal_Crocodylomorphabasal_CrocodyliformesCrocodyliaPterosauromorphaLagerpetonLagosuchusLewisuchusEoraptorHerrerasauridaeCoelophysoideaCeratosauriabasal_Tetanurae_1OrnithischiaSauropodomorphaTherizinosauroideabasal_Tetanurae_2Carnosauriabasal_CoelurosauriaTyrannosauridaeOrnithomimosauriaOviraptorosauriaAlvarezsauridaeDeinonychosauriaUnenlagiaArchaeopteryxTroodontidaeRahonavisConfuciusornithidaeEnantiornithesPatagopteryxHesperornithiformesIchthyornithiformesPaleognathaeNeognathaeOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Hutchinson_2001a