Dinosaurs · Ceratopsian

Yinlong

Say it yin-long. The name means ‘hidden dragon’.

Yinlong beside a person 1.75 m tall. Ticks mark every metre.Body shape drawn for this site, showing the general build of ceratopsians
Length
1.2 m
Diet
Plant-eater
When
Mid Jurassic159 to 154 million years ago
Fossils found in
China
Named by
Xu, Forster, Clark and Mo (2006)
Family tree
Dinosauria › Ornithischia › Ceratopsia
TriassicJurassicCretaceousYinlong252 Ma66 Ma
Where Yinlong 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

Other ceratopsians

Source: Yinlong 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.