ProsauropodaTheropodaVulcanodonShunosaurusBarapasaurusPatagosaurusOmeisaurusMamenchisaurusLosillasaurusJobariaHaplocanthosaurusApatosaurusSuuwasseaBarosaurusDiplodocusDicraeosaurusAmargasaurusNigersaurusRayososaurusRebbachisaurusCamarasaurusBrachiosaurusEuhelopusMalawisaurusT_colbertiAlamosaurusOpisthocoelicaudiaNeuquensaurusSaltasaurusNemegtosaurusRapetosaurusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Harris_et_Dodson_2004a