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early long-neck
Xiangyunloong
Say it like this: “shyahng-yun-loong”
Xiangyunloong fengming
Xiangyunloong ate plants and walked on two legs. It lived in the Early Jurassic. Bones have been found in China.
- When
- Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago
- Named in
- 2026 · Hu, S. B.; Wang, Y. C.; Mo, X.; Zhang, X. Q.; Zeng, W. T.; Wang, T.; Sun, Z. B.; Dong, Q. X.; Guan, Q.; Liu, Y. H.; Zhang, Y. S.; Bing, Y.; Wang, Y. M.; You, H. L.
- Hip height
- Not established
- Length
- 9–10 m · 30–33 ft
- Weight
- Not established
- Found in
- China · Fengjiahe
- Food and walking
- Herbivore · Two legs
- Kind
- early long-neck · Sauropodomorph
- Family branch
- Massopoda
The story in short
In 2026, S. B. Hu and colleagues published the name Xiangyunloong.
Fossils referred to Xiangyunloong date to the Early Jurassic (Hettangian · Sinemurian), roughly 201.4 to 192.9 million years ago. Finds come from China, including the Fengjiahe Formation. It was a herbivore and walked on two legs.
Published estimates put Xiangyunloong at a length near 9–10 m.
On the family tree it sits in Massopoda, among the early long-necked dinosaurs.
Close relatives
Ignavusaurus
Ignavusaurus rachelis
Early Jurassic (Hettangian · Sinemurian) · roughly 201.4 to 192.9 million years ago
Kholumolumo
Kholumolumo ellenbergerorum
Late Triassic (Norian) · roughly 227.3 to 205.7 million years ago
Sarahsaurus
Sarahsaurus aurifontanalis
Early Jurassic (Sinemurian · Pliensbachian) · roughly 199.5 to 184.2 million years ago