Dinosaurs · Armoured dinosaur

Tuojiangosaurus

Say it too-YANG-oh-sore-us. The name means ‘Tuo River lizard’.

Tuojiangosaurus beside a person 1.75 m tall. Ticks mark every metre.Body shape drawn for this site, showing the general build of armoured dinosaurs
Length
7 m
Weight
1.5 tonnes
Diet
Plant-eatersoft shoots and ferns
Walked
On 4 legs
When
Late Jurassic157 to 154 million years ago
Fossils found in
China
Named by
Dong, Li, Zhou and Zhang (1973)
Family tree
Dinosauria › Ornithischia › Thyreophora › Stegosauria › Stegosauridae › Stegosaurinae
TriassicJurassicCretaceousTuojiangosaurus252 Ma66 Ma
Where Tuojiangosaurus sits in the age of dinosaurs.Periods from the ICS chart; dinosaur dates from the Natural History Museum

Armoured dinosaurs. Plated and armoured plant-eaters, such as Stegosaurus and the ankylosaurs. See all 33

Lived at the same time

Other armoured dinosaurs

Source: Tuojiangosaurus 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.