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long-neck giant
Yuanmousaurus
Say it like this: “ywahn-moo-sore-us”
Yuanmousaurus jiangyiensis
Yuanmousaurus ate plants and walked on four legs. It lived in the Middle Jurassic. Bones have been found in China.
- When
- Middle Jurassic (Aalenian · Bajocian · Bathonian) · roughly 174.7 to 165.3 million years ago
- Named in
- 2006 · Lü, J.; Li, S.; Wang, G.; Zhang, J.; Dong, Z.
- Hip height
- 3 m · 10 ft
- Length
- 17 m · 56 ft
- Weight
- 12 tonnes
- Found in
- China · Zhanghe
- Food and walking
- Herbivore · Four legs
- Kind
- long-neck giant · Sauropod
- Family branch
- Mamenchisauridae
The story in short
Yuanmousaurus was formally named in 2006 by J. Lü and colleagues. The name honors a person tied to the fossil or its study.
It lived in the Middle Jurassic (Aalenian · Bajocian · Bathonian), roughly 174.7 to 165.3 million years ago. Finds come from China, including the Zhanghe Formation. It was a herbivore and walked on four legs.
Published estimates put Yuanmousaurus at a length near 17 m, hips about 3 m high, and a body mass around 12 tonnes.
On the family tree it sits in Mamenchisauridae, among the sauropod dinosaurs.
Close relatives
Analong
Analong chuanjieensis
Middle Jurassic (Bajocian) · roughly 170.9 to 168.2 million years ago
Anhuilong
Anhuilong diboensis
Middle Jurassic (Aalenian–Callovian) · roughly 174.7 to 161.5 million years ago
Chuanjiesaurus
Chuanjiesaurus anaensis
Middle Jurassic (Bajocian) · roughly 170.9 to 168.2 million years ago