Gigantspinosaurus
Gigantspinosaurus (meaning "giant-spined lizard") is a mediun-sized stegosaur from the Upper Jurassic. It was found in Sichuan, China. It was only about 4.2 metres (14 ft) long and 700 kilograms (1,500 lb) in weight. The animal had greatly enlarged shoulder spines.
| Gigantspinosaurus Temporal range: Upper Jurassic 163.5–157.3 mya
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| Skeletal mount of Gigantspinosaurus in the Zigong Dinosaur Museum | |
Scientific classification 
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| Unrecognized taxon (fix): | Gigantspinosaurus |
| Type species | |
| Gigantspinosaurus sichuanensis Ouyang, 1992
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A study suggested that Gigantspinosaurus is the most basal known member of the Stegosauria.[1][2]
Gigantspinosaurus Media
Skeletal diagram of Gigantspinosaurus with known elements in white and unknown elements in grey
Parascapular spine of Gigantspinosaurus sichuanensis. *Symtemtic position: Stegosuridae, Stegosauria, Ornithischia.
Restoration of Gigantspinosaurus (middle) and other dinosaurs from the Shaximiao Formation
Skull of Gigantspinosaurus sichuanensis. *Symtemtic position: Stegosauridae, Stegosauria, Ornithischia.
References
- ↑ Gao R, Zhu S. & Huang D. 1986. [Chinese] [The discovery of some stegosaurian shoulder spines in Zigong Municipality]. Vertebrata PalAsiatica 24: 78-79
- ↑ Maidment, Susannah C.R. & Wei, Guangbaio. (2006). A review of the Late Jurassic stegosaurs (Dinosauria, Stegosauria) from the People's Republic of China. Geological Magazine 143 (5): 621–634. Bibcode:2006GeoM..143..621M. doi:10.1017/S0016756806002500. S2CID 83661067.