Dinosaurs · Armoured dinosaur

Kentrosaurus

Say it ken-TROH-sore-us. The name means ‘spiky lizard’.

Kentrosaurus 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: 5 m
Diet: Plant-eater
When: Late Jurassic155 to 150 million years ago
Fossils found in: Tanzania
Named by: Hennig (1915)
Family tree: Dinosauria › Ornithischia › Thyreophora › Stegosauria › Stegosauridae › Stegosaurinae

Where Kentrosaurus 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

Barosaurus · same country
Dryosaurus · same country
Giraffatitan · same country
Elaphrosaurus · same country
Janenschia · same country
Dicraeosaurus · same country
Camptosaurus
Chinshakiangosaurus

Other armoured dinosaurs

Dacentrurus Late Jurassic
Gargoyleosaurus Late Jurassic
Hesperosaurus Late Jurassic
Tuojiangosaurus Late Jurassic
Stegosaurus Late Jurassic
Chungkingosaurus Late Jurassic
Yingshanosaurus Late Jurassic
Hylaeosaurus Early Cretaceous

Source: Kentrosaurus 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.