Hopeosaura
Hopeosaura is a genus of herbivorous ornithopod dinosaur that lived during the Early Cretaceous period in what is now China. The name Hopeosaura means "Hope lizard," referencing the discovery of its fossils in a region considered a symbol of hope for the people of China. This dinosaur is known from limited fossil remains, primarily fragments of the skull and postcranial skeleton. Paleontological studies suggest that Hopeosaura was a relatively small to medium-sized ornithopod, likely walking on two legs but capable of dropping to all fours for stability or when grazing. Its diet consisted of plants, which it would have processed with its beak-like mouth and possibly with chewing teeth in the back of its jaw. The exact phylogenetic position of Hopeosaura within the ornithopod clade is still debated among paleontologists due to the fragmentary nature of the fossils. However, it is generally placed within the basal iguanodontians, a diverse group of herbivorous dinosaurs that preceded the more specialized hadrosaurs. The discovery of Hopeosaura has contributed to our understanding of the diversity and evolution of ornithopod dinosaurs in Asia during the Early Cretaceous.