Wikipedia
Daxiatitan
Daxiatitan is a genus of titanosauriform dinosaur from the Lower Cretaceous of Lanzhou Basin, Gansu Province, northwestern China. It is known from fossils including several neck vertebrae, a shoulder blade, and a thigh bone.
It was a very large dinosaur, estimated at . Like both Euhelopus and Huanghetitan, it had an enormously long neck.