Hadrosaurus
Hadrosaurus was a genus of hadrosaurid dinosaur from the Upper Cretaceous period. Is the only species in its genus and is the official state dinosaur of New Jersey. The name is dubious because no skull has been found to distinguish it from near relatives.
| Hadrosaurus Temporal range: Late Cretaceous,
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| Reconstructed skeleton, Academy of Natural Sciences | |
Scientific classification 
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| Unrecognized taxon (fix): | Hadrosaurus |
| Type species | |
| †Hadrosaurus foulkii Leidy, 1858
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| Synonyms | |
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