Dinosaurs · Ceratopsian

Styracosaurus

Say it sty-RAK-oh-sore-us. The name means ‘spiked lizard’.

Styracosaurus beside a person 1.75 m tall. Ticks mark every metre.Body shape drawn for this site, showing the general build of ceratopsians

Length: 5.5 m
Weight: 2.7 tonnes
Diet: Plant-eater
Walked: On 4 legs
When: Late Cretaceous76 to 75 million years ago
Fossils found in: Canada, USA
Named by: Lambe (1913)
Family tree: Dinosauria › Ornithischia › Ceratopsidae › Centrosaurinae

Where Styracosaurus sits in the age of dinosaurs.Periods from the ICS chart; dinosaur dates from the Natural History Museum

Ceratopsians. Horned and frilled plant-eaters, such as Triceratops. See all 29

Lived at the same time

Achelousaurus · same country
Albertaceratops · same country
Albertosaurus · same country
Avaceratops · same country
Bambiraptor · same country
Centrosaurus · same country
Chasmosaurus · same country
Chirostenotes · same country

Other ceratopsians

Centrosaurus Late Cretaceous
Chasmosaurus Late Cretaceous
Pentaceratops Late Cretaceous
Anchiceratops Late Cretaceous
Einiosaurus Late Cretaceous
Pachyrhinosaurus Late Cretaceous
Protoceratops Late Cretaceous
Albertaceratops Late Cretaceous

Source: Styracosaurus 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.