TheropodaProsauropodaVulcanodonShunosaurusBarapasaurusPatagosaurusOmeisaurusMamenchisaurusLosillasaurusJobariaHaplocanthosaurusApatosaurusBarosaurusDiplodocusDicraeosaurusAmargasaurusRayososaurusRebbachisaurusCamarasaurusGalvesaurusBrachiosaurusPhuwiangosaurusEuhelopusMalawisaurusRapetosaurusIsanosaurusAlamosaurusOpisthocoelicaudiaNeuquensaurusSaltasaurusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Barco_etal_2006a