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Temporal range: Early - Middle Jurassic
Sanpasaurus dorsal vertebra.png
Dorsal vertebra
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Clade: Sauropoda
Genus: Sanpasaurus
Young, 1944
S. yaoi
Binomial name
Sanpasaurus yaoi
Young, 1944
Chevron of Sanpasaurus in anterior view (A), posterior view (B), and lateral view (C), with 5-cm black bar for scale.

Sanpasaurus ("Sanpa lizard") is a poorly known sauropod dinosaur from the Early and Middle Jurassic of Sichuan, China. The type species, S. yaoi, was described by Chung Chien Young, in 1944. The type remains, IVPP V.156, consists of 20 vertebrae, scapulae, forelimbs, and some hindlimb bones.[1] Initially reported by Young as an ornithopod ornithischian,[1] this specimen was unambiguously referred to Sauropoda[2][3] in 2016 by McPhee et al.[4] Sanpasaurus is known from remains recovered from the Maanshan Member of the Ziliujing Formation.


  1. ^ a b C.-C. Young. 1944. On the reptilian remains from Weiyuan, Szechuan, China. Bulletin of the Geological Society of China 24(3–4):187-205.
  2. ^ A mention buried at the bottom of a long discussion of Asian sauropods, on the Dinosaur Mailing List.
  3. ^ Upchurch, P. 1995. The evolutionary history of sauropod dinosaurs. Philosophical Transactions of the Royal Society, London, B, 349:365-390.
  4. ^ McPhee BW, Upchurch P, Mannion PD, Sullivan C, Butler RJ, Barrett PM. (2016) A revision of Sanpasaurus yaoi Young, 1944 from the Early Jurassic of China, and its relevance to the early evolution of Sauropoda (Dinosauria) PeerJ 4:e2578

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