TheropodaProsauropodaVulcanodonShunosaurusBarapasaurusPatagosaurusOmeisaurusMamenchisaurusJobariaHaplocanthosaurusApatosaurusBarosaurusDiplodocusDicraeosaurusAmargasaurusNigersaurusRayososaurusRebbachisaurusCamarasaurusBrachiosaurusEuhelopusMalawisaurusT_colbertiAlamosaurusOpisthocoelicaudiaNeuquensaurusSaltasaurusNemegtosaurusRapetosaurusGalveosaurusTuriasaurusLosillasaurusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Royo-Torres_etal_2009a