ProsauropodaTheropodaVulcanodonBarapasaurusOmeisaurusShunosaurusPatagosaurusMamenchisaurusApatosaurusBarosaurusBrachiosaurusCamarasaurusDicraeosaurusDiplodocusHaplocanthosaurusAmargasaurusEuhelopusJobariaMalawisaurusNigersaurusLimaysaurusRebbachisaurusAlamosaurusNemegtosaurusOpisthocoelicaudiaRapetosaurusSaltasaurusIsisaurusLosillasaurusSuuwasseaXinjiangtitan_shanshanesisOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Wu_etal_2013b