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horned dinosaur
Chaoyangsaurus
Say it like this: “chow-yahng-SAWR-us”
Chaoyangsaurus youngi
Chaoyangsaurus ate plants and walked on two legs. It lived in the Late Jurassic · Early Cretaceous. Bones have been found in China.
- When
- Late Jurassic · Early Cretaceous (Tithonian · Berriasian) · roughly 149.2 to 137.1 million years ago
- Named in
- 1999 · Xijin, Z.; Zhengwu, C.; Xing, X.
- Hip height
- Not established
- Length
- 1 m · 3 ft
- Weight
- 6 kg · 13 lb
- Found in
- China · Tuchengzi
- Food and walking
- Herbivore · Two legs
- Kind
- horned dinosaur · Ceratopsian
- Family branch
- Chaoyangsauridae
The story in short
Chaoyangsaurus was formally named in 1999 by Z. Xijin and colleagues. The name means “chaoyang lizard.”
It lived in the Late Jurassic · Early Cretaceous (Tithonian · Berriasian), roughly 149.2 to 137.1 million years ago. Finds come from China, including the Tuchengzi Formation. It was a herbivore and walked on two legs.
Published estimates put Chaoyangsaurus at a length near 1 m and a body mass around 6 kg.
On the family tree it sits in Chaoyangsauridae, among the horned dinosaurs.
Close relatives
Hualianceratops
Hualianceratops wucaiwanensis
Middle Jurassic · Late Jurassic (Callovian · Oxfordian) · roughly 165.3 to 154.8 million years ago
Stenopelix
Stenopelix valdensis
Early Cretaceous (Berriasian · Valanginian) · roughly 143.1 to 132.6 million years ago
Xuanhuaceratops
Xuanhuaceratops niei
Late Jurassic (Tithonian) · roughly 149.2 to 143.1 million years ago