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early long-neck
Yimenosaurus
Say it like this: “yee-MUHN-o-SAWR-us”
Yimenosaurus youngi
Yimenosaurus ate plants and walked on two legs. It lived in the Early Jurassic. Bones have been found in China.
- When
- Early Jurassic (Pliensbachian) · roughly 192.9 to 184.2 million years ago
- Named in
- 1990 · Bai, Z.; Yang, J.; Wang, G.
- Hip height
- Not established
- Length
- 9 m · 30 ft
- Weight
- 2 tonnes
- Found in
- China · Fengjiahe
- Food and walking
- Herbivore · Two legs
- Kind
- early long-neck · Sauropodomorph
- Family branch
- Plateosauridae
The story in short
The genus Yimenosaurus dates to 1990, the year Z. Bai and colleagues described it. The name honors a person tied to the fossil or its study.
Fossils referred to Yimenosaurus date to the Early Jurassic (Pliensbachian), roughly 192.9 to 184.2 million years ago. Finds come from China, including the Fengjiahe Formation. It was a herbivore and walked on two legs.
Published estimates put Yimenosaurus at a length near 9 m and a body mass around 2 tonnes.
On the family tree it sits in Plateosauridae, among the early long-necked dinosaurs.