Sanpasaurus
Sanpasaurus was a long-necked dinosaur that munched on plants during the Early Jurassic. It lived in what is now China, and scientists used to think it was a different kind of dinosaur. Now they know it was an early sauropod, a relative of giants like Brachiosaurus.12
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Fun facts
Sanpasaurus was first thought to be an ornithopod dinosaur, but later studies showed it was actually a sauropod.12
The fossils of Sanpasaurus include 20 vertebrae, shoulder blades, forelimbs, and some hindlimb bones.1
Sanpasaurus lived about 183 million years ago, during the Early Jurassic period.1
Scientists think Sanpasaurus was a small-bodied sauropod, possibly a juvenile.2
Sanpasaurus had a special feature on its back vertebrae: thin ridges on the sides of the neural arches.2
The name Sanpasaurus comes from 'Sanpa', an old name for the area in China where it was found.1


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For dino experts
- Scientific name
- Sanpasaurus
- Named by
- Young 19444
- Group
- Long-necks
- Family / clade
- Sauropoda4
- Classification
- Sauropodomorpha > Sauropoda4
- Age of the rocks
- 184 to 175 million years (Toarcian)4
- Rock formations
- Ziliujing4
- Countries
- China4
- Fossil records
- 3 in the Paleobiology Database4
- Discovery
- Sanpasaurus was named by Chinese paleontologist Chung Chien Young in 1944. The fossils were found in 1939 near Weiyuan City in Sichuan, China.12
- Still debated
- Scientists are still debating exactly where Sanpasaurus fits in the sauropod family tree, and whether some other fossils belong to it.2
Where the facts come from
- Sanpasaurus (en.wikipedia.org)
- A revision of Sanpasaurus yaoi Young, 1944 from the Early ... (pmc.ncbi.nlm.nih.gov)
- Sanpasaurus yaoi | Dinosaur Database by DinoAnimals.com (dinoanimals.com)
- Sanpasaurus in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.
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