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Image: Zigong Dinosaur Museum Gigantspinosaurus spine

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Description: Parascapular spine of Gigantspinosaurus sichuanensis. Symtemtic position: Stegosuridae, Stegosauria, Ornithischia. Locality: Zhongquan, Zigong, Sichuan, China. Age: Late Jurassic (about 150 million years ago). The comma-shaped parascapular spines of stegosaurs were once called "parasacral spines" and regarded as a pair of bones connected with pelvic girdles. The parascapular spines of Gigantspinosaurus sichuanensis, articulated symmethically with its shoulder bones, proved that the were a pair of special bones connecting with the shoulders of stegosaurs dinosaurus for the first time.
Title: Zigong Dinosaur Museum Gigantspinosaurus spine
Credit: Own work
Author: Zhangzhugang
Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: https://creativecommons.org/licenses/by/4.0
Attribution Required?: Yes

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