Huayangosaurus Click to enlarge image
Image: James Reece
© Australian Museum

Fast Facts

  • Classification
  • Size Range
    Small to medium-sized


Huayangosaurus taibaii was a small- to medium-sized plant-eating stegosaur with primitive characteristics which lived around 165 million years ago.


Huayangosaurus taibaii had:

  • long forelimbs and a beak with teeth (lost in later stegosaurs);
  • vein-like cavities in the bony plates on its back which may have helped to regulate its body temperature or change the colour of the plates to deter predators or attract mates.

Feeding and diet

Huayangosaurus taibaii was a plant-eater.

Fossils description

Huayangosaurus taibaii was discovered in Hua Yang in what now known as Dashanpu Quarry near Zigong in Sichuan Province, China. 'Taibaii' comes from the poet Tai Bai who lived in Sichuan.

Tyrannosaurs - Meet the Family

This summer the world’s most feared dinosaur, Tyrannosaurus rex, comes crashing out the Cretaceous and into the new blockbuster gallery at the Australian Museum. But watch out, the 13-metre-long, saw-toothed predator isn’t coming alone – the whole tyrannosaur clan will be roaring to meet you.

Discover the exhibition