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early long-neck
Yunnanosaurus
Say it like this: “yoo-NAN-oh-SOR-uhs”
Yunnanosaurus huangi
Yunnanosaurus ate plants and walked on two legs. It lived in the Early Jurassic · Middle Jurassic. Bones have been found in China.
- When
- Early Jurassic · Middle Jurassic (Hettangian–Bathonian) · roughly 201.4 to 165.3 million years ago
- Named in
- 1940 · Young, C. C.
- Hip height
- 2–4 m · 7–13 ft
- Length
- 7–13 m · 23–43 ft
- Weight
- Not established
- Found in
- China · Lufeng
- Food and walking
- Herbivore · Two legs
- Kind
- early long-neck · Sauropodomorph
- Family branch
- Sauropodiformes
The story in short
The genus Yunnanosaurus dates to 1940, the year C. C. Young described it. The name honors a person tied to the fossil or its study.
It lived in the Early Jurassic · Middle Jurassic (Hettangian–Bathonian), roughly 201.4 to 165.3 million years ago. Finds come from China, including the Lufeng Formation. It was a herbivore and walked on two legs.
Published estimates put Yunnanosaurus at a length near 7–13 m and hips about 2–4 m high.
On the family tree it sits in Sauropodiformes, among the early long-necked dinosaurs.
This entry is the whole genus. The type species is Yunnanosaurus huangi. Other named species include Yunnanosaurus youngi.
Other species with this name
- Yunnanosaurus huangi
- Yunnanosaurus youngi
Close relatives
Aardonyx
Aardonyx celestae
Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago
Anchisaurus
Anchisaurus polyzelus
Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago
Blikanasaurus
Blikanasaurus cromptoni
Late Triassic (Norian · Rhaetian) · roughly 227.3 to 201.4 million years ago