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sharp-clawed runner
Jianchangosaurus
Say it like this: “JEE-EN-CHAN-go-SOR-us”
Jianchangosaurus yixianensis
Jianchangosaurus ate plants and walked on two legs. It lived in the Early Cretaceous. Bones have been found in China.
- When
- Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago
- Named in
- 2013 · Pu, H.; Kobayashi, Y.; Lü, J.; Xu, L.; Wu, Y.; Chang, H.; Zhang, J.; Jia, S.
- Hip height
- 1 m · 3 ft
- Length
- 2 m · 7 ft
- Weight
- 20–26 kg · 44–57 lb
- Found in
- China · Yixian
- Food and walking
- Herbivore · Two legs
- Kind
- sharp-clawed runner · Theropod
- Family branch
- Therizinosauria
The story in short
Jianchangosaurus was formally named in 2013 by H. Pu and colleagues. The name means “lizard from Jianchang County.”
It lived in the Early Cretaceous (Barremian), roughly 125.8 to 121.4 million years ago. Finds come from China, including the Yixian Formation. It was a herbivore and walked on two legs.
Published estimates put Jianchangosaurus at a length near 2 m, hips about 1 m high, and a body mass around 20–26 kg.
On the family tree it sits in Therizinosauria, among the theropod dinosaurs.
Close relatives
Falcarius
Falcarius utahensis
Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago
Kayrasaurus
Kayrasaurus changliensis
Early Cretaceous (Barremian) · roughly 125.8 to 121.4 million years ago
Lingyuanosaurus
Lingyuanosaurus sihedangensis
Early Cretaceous (Aptian) · roughly 121.4 to 113.2 million years ago