Huayangosaurus: quick facts
This dinosaur was discovered in China. One of the oldeststegosaurs known, it had plates, spines, and front teeth rather thana toothless beak.
Reference background: Natural History Museum, London — Dinosaurs; Smithsonian National Museum of Natural History — Dinosaurs; American Museum of Natural History — Dinosaurs & Fossils. Figures are typical published ranges; taxonomy follows the source era and modern consensus is noted where it differs. See our sources & fact-check policy.