No length given in the museum's record.
- Diet
- Plant-eater
- When
- Early Cretaceous127 to 121 million years ago
- Fossils found in
- China
- Named by
- Wang and Xu (2001)
- Family tree
- Dinosauria › Ornithischia › Ornithopoda › Euornithopoda › Iguanadontia › Euiguanadontia › Dryomorpha › Ankylopollexia › Iguanodontoidea
Large ornithopods. Big plant-eaters that walked on two or four legs, including the duck-billed dinosaurs. See all 36
Lived at the same time
- Beipiaosaurus · same country
- Confuciusornis · same country
- Equijubus · same country
- Liaoceratops · same country
- Sinovenator · same country
- Caudipteryx · same country
- Sinosauropteryx · same country
- Protarchaeopteryx · same country
Other large ornithopods
- Equijubus Early Cretaceous
- Fukuisaurus Early Cretaceous
- Lurdusaurus Early Cretaceous
- Probactrosaurus Early Cretaceous
- Tenontosaurus Early Cretaceous
- Ouranosaurus Early Cretaceous
- Iguanodon Early Cretaceous
- Muttaburrasaurus Early Cretaceous
Source: Jinzhousaurus in the Natural History Museum Dino Directory, read 12 November 2026. Sizes are the museum's estimates for a typical adult. "Lived at the same time" lists dinosaurs whose dates overlap, which does not always mean they met.