(Prosauropoda,(Theropoda,(Vulcanodon,(Shunosaurus,(Barapasaurus,(Patagosaurus,((Omeisaurus,Mamenchisaurus),(Jobaria,((Haplocanthosaurus,Huanghetitan,(((Apatosaurus,(Barosaurus,Diplodocus)),(Dicraeosaurus,Amargasaurus)),(Nigersaurus,Rayososaurus,Rebbachisaurus))),(Camarasaurus,(Brachiosaurus,(Euhelopus,(Malawisaurus,((T_colberti,((Alamosaurus,Opisthocoelicaudia),(Neuquensaurus,Saltasaurus))),(Nemegtosaurus,Rapetosaurus)))))))))))))));