Shidaisaurus

Shidaisaurus; Temporal range: Early Aalenian, 174 Ma PreЄ Є O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Dinosauria
Clade:	Saurischia
Clade:	Theropoda
Family:	†Metriacanthosauridae
Subfamily:	†Metriacanthosaurinae
Genus:	†Shidaisaurus
Species:	†S. jinae
Binomial name
	†Shidaisaurus jinae; Wu et al., 2009

Shidaisaurus is a genus of metriacanthosaurid dinosaur.[1] Its fossil was found in early Middle Jurassic-age rocks of the Chuanjie Formation in Yunnan, China. It is known from a partial skeleton, holotype DML-LCA 9701-IV, found at the bottom of an assemblage of nine dinosaur individuals, lacking most of the tail vertebrae, ribs, pectoral girdle, and limb bones. Shidaisaurus was described in 2009 by Wu and colleagues. The type species is Shidaisaurus jinae.[2] Generic name and specific name in combination refer to the Jin-Shidai ("Golden Age") Company that exploits the Jurassic World Park near the site.

This theropod according to Gregory Paul was about 6 metres (20 ft) long and it weighed around 700 kilograms (1,500 lb).[3] In 2016 another estimation listed it higher at 7.1 meters (23.3 feet) long and 950 kilograms (2,094 lbs).[4]

References

Carrano, M. T.; Benson, R. B. J.; Sampson, S. D. (2012). "The phylogeny of Tetanurae (Dinosauria: Theropoda)". Journal of Systematic Palaeontology. 10 (2): 211–300. doi:10.1080/14772019.2011.630927. Retrieved 9 June 2017.
Wu X.; Currie, P.J.; Dong Z.; Pan S.; Wang T. (2009). "A new theropod dinosaur from the Middle Jurassic of Lufeng, Yunnan, China". Acta Geologica Sinica. 83 (1): 9–24. doi:10.1111/j.1755-6724.2009.00002.x.
Paul, G. S. (2010). The Princeton Field Guide to Dinosaurs. Princeton University Press, p. 85.
Molina-Peréz & Larramendi (2016). Récords y curiosidades de los dinosaurios Terópodos y otros dinosauromorfos. Barcelona, Spain: Larousse. p. 260. ISBN 9780565094973.

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[Carrano-1] Carrano, M. T.; Benson, R. B. J.; Sampson, S. D. (2012). "The phylogeny of Tetanurae (Dinosauria: Theropoda)". Journal of Systematic Palaeontology. 10 (2): 211–300. doi:10.1080/14772019.2011.630927. Retrieved 9 June 2017.

[WXetal09-2] Wu X.; Currie, P.J.; Dong Z.; Pan S.; Wang T. (2009). "A new theropod dinosaur from the Middle Jurassic of Lufeng, Yunnan, China". Acta Geologica Sinica. 83 (1): 9–24. doi:10.1111/j.1755-6724.2009.00002.x.

[3] Paul, G. S. (2010). The Princeton Field Guide to Dinosaurs. Princeton University Press, p. 85.

[4] Molina-Peréz & Larramendi (2016). Récords y curiosidades de los dinosaurios Terópodos y otros dinosauromorfos. Barcelona, Spain: Larousse. p. 260. ISBN 9780565094973.