(Theropoda,(Prosauropoda,(Portozuelo,Blikanasaurus,Antenonitrus,Tetrasauropus,(Isanosaurus,(LavinidiMarco,(Gongxianosaurus,(Tazoudasaurus,(Vulcanodon,(Shunosaurus,(Barapasaurus,(Patagosaurus,(Neosauropoda,(Omeisaurus,Mamenchisaurus)))))))))))));