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early long-neck
Yizhousaurus
Say it like this: “YEEZ-hoo-SOR-us”
Yizhousaurus sunae
Yizhousaurus ate plants and walked on two or four legs. It lived in the Early Jurassic. Bones have been found in China.
- When
- Early Jurassic (Sinemurian) · roughly 199.5 to 192.9 million years ago
- Named in
- 2018 · Zhang, Q. N.; You, H. L.; Wang, T.; Chatterjee, S.
- Hip height
- 2.3 m · 8 ft
- Length
- 4.5 m · 15 ft
- Weight
- 250 kg · 551 lb
- Found in
- China · Lufeng
- Food and walking
- Herbivore · Two or four legs
- Kind
- early long-neck · Sauropodomorph
- Family branch
- Sauropodiformes
The story in short
In 2018, Q. N. Zhang and colleagues published the name Yizhousaurus. The name honors a person tied to the fossil or its study.
It lived in the Early Jurassic (Sinemurian), roughly 199.5 to 192.9 million years ago. Finds come from China, including the Lufeng Formation. It was a herbivore and could move on two or four legs.
Published estimates put Yizhousaurus at a length near 4.5 m, hips about 2.3 m high, and a body mass around 250 kg.
On the family tree it sits in Sauropodiformes, among the early long-necked dinosaurs.
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