(Camarasaurus,(Giraffatitan,(Chubutisaurus,((Ligabuesaurus,(Andesaurus,(((Malawisaurus,Rukwatitan),(Puertasaurus,(Austroposeidon,(Mendozasaurus,Futalognkosaurus)))),(Quetecsaurus,(Isisaurus,(Epachthosaurus,(Pellegrinisaurus,((Lirainosaurus,((Bonitasauria,((Dreadnougthus,Ampelosaurus),((Opisthocoelicaudia,Alamosaurus),(Neuquensaurus,((Saltasaurus,Rocasaurus),(Uberabatitan,Brasilotitan)))))),(Rapetosaurus,((Aeolosaurus_maximus,(Rinconsaurus,Muyelensaurus)),(Overosaurus,(Aeolosaurus_colhuehuapensis,(Gondwanatitan,Aeolosaurus_rionegrinus))))))),(Trigonosaurus,(Maxakalisaurus,Tapuiasaurus)))))))))),(Drusilasauria,Baurutitan)))));