Back سينوصور Arabic Sinosaure Catalan Sinosaurus Czech Sinosaurus German Sinosaurus Spanish سینوسور Persian Sinosaurus French סינוזאורוס HE Սինոզավր Armenian Sinosaurus triassicus Italian
| Sinosaurus Temporal range: Early Jurassic,
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| Reconstructed skeleton at Museo delle Scienze of Trento, Italy | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Clade: | Neotheropoda |
| Genus: | †Sinosaurus Young, 1940 |
| Type species | |
| †Sinosaurus triassicus Young, 1940
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| Other species | |
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| Synonyms[1][2] | |
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Sinosaurus (meaning "Chinese lizard") is an extinct genus of basal theropod dinosaur which lived during the Early Jurassic (Hettangian-Sinemurian). Fossils of the animal have been found in the Lufeng Formation, in the Yunnan Province of China. The type species, S. triassicus, was named by Chung Chieng Young in 1940. A second species, S. sinensis, was originally assigned to Dilophosaurus, but was later reassigned to Sinosaurus. Sinosaurus is morphologically similar to Dilophosaurus including the presence of a similarly shaped cranial crest, though its precise taxonomic position is uncertain, and the two genera may not be closely related.