(Marasuchus,((Herrerasaurus,Prosauropoda),(Chinshakiangosaurus,(Barapasaurus,Cetiosaurus,Datousaurus,Gongxianosaurus,Jobaria,Kotasaurus,M_sinocanadorum,Omeisaurus,Patagosaurus,Shunosaurus,Vulcanodon,((Dicraeosaurus,(Apatosaurus,Diplodocus)),(Bellusaurus,Camarasaurus,(Brachiosaurus,(Phuwiangosaurus,(Euhelopus,Saltasaurus))))),(M_constructus,M_hochuanensis_holotype,M_youngi,(Chuanjiesaurus,M_hochuan_ZDM0126,Tienshanosaurus,Yuanmousaurus))))));