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early long-neck
Xixiposaurus
Say it like this: “she-SHEE-po-SOR-us”
Xixiposaurus suni
Xixiposaurus 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
- 2010 · Sekiya, T.
- Hip height
- Not established
- Length
- 4.3 m · 14 ft
- Weight
- Not established
- Found in
- China · Lufeng
- Food and walking
- Herbivore · Two legs
- Kind
- early long-neck · Sauropodomorph
- Family branch
- Massopoda
The story in short
Xixiposaurus was formally named in 2010 by T. Sekiya. The name honors a person tied to the fossil or its study.
Fossils referred to Xixiposaurus date to the Early Jurassic (Hettangian · Sinemurian), roughly 201.4 to 192.9 million years ago. Finds come from China, including the Lufeng Formation. It was a herbivore and walked on two legs.
Published estimates put Xixiposaurus at a length near 4.3 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