| Lingyuanosaurus Temporal range: Early Cretaceous,
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| Holotype specimen as originally preserved | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | Theropoda |
| Clade: | Maniraptora |
| Clade: | †Therizinosauria |
| Genus: | †Lingyuanosaurus Yao et al., 2019 |
| Type species | |
| †Lingyuanosaurus sihedangensis Yao et al., 2019
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Lingyuanosaurus (meaning "Lingyuan's lizard") is a genus of therizinosaurian dinosaur from the Early Cretaceous of China. It contains a single species, L. sihedangensis. It was found within a layer of the Jehol Group.