(Theropoda,(Thecodontosaurus,(Plateosaurus,(Vulcanodon,(Shunosaurus,((Barapasarus,((Patagosaurus,((Haplocanthosaurus,((((Suuwassea,(Apatosaurus,(Diplodocus,(Barosaurus,Tornieria)))),(Dicraeosaurus,Amargasaurus)),(Limaysaurus,(Nigersaurus,Rebbachisaurus))),(Jobaria,(Camarasaurus,(Brachiosaurus,(Euhelopus,((Lirainosaurus,(Malawisaurus,(Nemegtosaurus,Rapetosaurus))),(Isisaurus,(Alamosaurus,(Opisthocoelicaudia,Saltasaurus)))))))))),(Losillasaurus,(Atlasaurus,Turiasaurus)))),(Nebulasaurus,Spinophorosaurus))),(Omeisaurus_tianfuensis,(Qijianglong,(Chuanjiesaurus,((Mamenchisaurus_sinocanadorum,(Mamenchisaurus_anyuensisn,(Omeisaurus_maoianus,Mamenchisaurus_hochuanensis))),(Mamenchisaurus_constructus,(Mamenchisaurus_youngi,Yuanmousaurus))))))))))));