| Probactrosaurus Temporal range: Early Cretaceous,
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| Complete skeleton mounted at the Giga Dinosaur Exhibition 2017 | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Neornithischia |
| Clade: | †Ornithopoda |
| Superfamily: | †Hadrosauroidea |
| Genus: | †Probactrosaurus Rozhdestvensky, 1966 |
| Type species | |
| †Probactrosaurus gobiensis Rozhdestvensky, 1966
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| Synonyms | |
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Probactrosaurus (meaning "before Bactrosaurus") is an early herbivorous hadrosauroid iguanodont dinosaur. It lived in China during the Early Cretaceous period.