Huanghetitan liujiaxiagensis You et al.  劉家峽黃河巨龍

This fossil dinosaur was discovered near the Liujiaxia Reservoir, Yongjing County, Gansu Province in 2002. The 20-meter-long, 35-ton giant dinosaur lived during the Early Cretaceous Period and had specific features such as wide hips and long forelimbs. It's the tallest and best-preserved Sauropod found in the world, bearing great implications for the studies on the origins and early evolution of giant Sauropods.