(Prosauropoda,(Herrerasaurus,(Antetonitrus,(Gongxianosaurus,(Isanosaurus,((Vulcanodon,Tazoudasaurus),(Shunosaurus,(Barapasaurus,(Patagosaurus,((Omeisaurus,Mamenchisaurus),((Jobaria,(Camarasaurus,(Brachiosaurus,(Euhelopus,(Rapetosaurus,(Opisthocoelicaudia,Saltasaurus)))))),(Nigersaurus,(Dicraeosaurus,(Diplodocus,Apatosaurus)))))))))))))); (Prosauropoda,(Herrerasaurus,(Antetonitrus,(Gongxianosaurus,(Isanosaurus,((Vulcanodon,Tazoudasaurus),(Shunosaurus,((Barapasaurus,Patagosaurus),((Omeisaurus,Mamenchisaurus),((Jobaria,(Camarasaurus,(Brachiosaurus,(Euhelopus,(Rapetosaurus,(Opisthocoelicaudia,Saltasaurus)))))),(Nigersaurus,(Dicraeosaurus,(Diplodocus,Apatosaurus)))))))))))));