Yangchuanosaurus
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Yangchuanosaurus Temporal range: Middle Jurassic, 168.3–163.5 Ma |
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| Y. zigongensis | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Clade: | Dinosauria |
| Order: | Saurischia |
| Suborder: | Theropoda |
| Family: | †Metriacanthosauridae |
| Genus: |
†Yangchuanosaurus Dong et al., 1978 |
| Type species | |
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†Yangchuanosaurus shangyouensis Dong et al., 1978 |
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| Species | |
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†Y. shangyouensis Dong et al., 1978 |
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| Synonyms | |
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Synonyms of Y. shangyouensis: Synonyms of Y. zigongensis: |
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†Y. shangyouensis Dong et al., 1978
†Y. zigongensis (Gao, 1993)
Synonyms of Y. shangyouensis:
Yangchuanosaurus magnus Dong, Zhou & Zhang, 1983
Szechuanosaurus "yandonensis" Dong et al., 1978
"Szechuanoraptor dongi" Chure, 2001
Synonyms of Y. zigongensis:
Szechuanosaurus zigongensis Gao, 1993
Yangchuanosaurus is an extinct genus of metriacanthosaurid theropod dinosaur that lived in China during the Bathonian and Callovian stages of the Middle Jurassic, and was similar in size and appearance to its North American relative, Allosaurus. It hails from the Upper Shaximiao Formation and was the largest predator in a landscape which included the sauropods Mamenchisaurus and Omeisaurus as well as the Stegosaurs Chialingosaurus, Tuojiangosaurus and Chungkingosaurus. It got its name after its discovery site in Yongchuan, in China.
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