(Omeisaurus,(Jobaria,(MACRONARIA,((Suuwassea,((Apatosaurus,Diplodocus),(Amargasaurus,(Brachytrachelopan,Dicraeosaurus)))),(Histriasaurus,(Rebbachisaurus,(Zapalasaurus,(Limaysaurus,Cathartesaura)),(Nigersaurus,Demandasaurus_darwini)))))));