(Ancestor,(Vulcanodon,(Barapasaurus,((Patagosaurus,(Cetiosaurus,((((Phuwiangosaurus,(Andesaurus,(Malawisaurus,(Alamosaurus,(Opisthocoelicaudia,Saltasaurus))))),(Brachiosaurus,Lapparentosaurus,Europasaurus)),(Antarctosaurus,((Rebbachisaurus,((Amargasaurus,Dicraeosaurus),(Apatosaurus,(Barosaurus,Diplodocus)))),(Nemegtosaurus,Quaesitosaurus)))),(Camarasaurus,Haplocanthosaurus)))),(Shunosaurus,(Euhelopus,(Mamenchisaurus,Omeisaurus)))))));