Portellsaurus
| Portellsaurus Temporal range: Barremian,  | |
|---|---|
| Holotype dentary | |
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Clade: | †Ornithischia | 
| Clade: | †Ornithopoda | 
| Clade: | †Hadrosauriformes | 
| Superfamily: | †Hadrosauroidea | 
| Genus: | †Portellsaurus Santos-Cubedo et al., 2021 | 
| Species: | †P. sosbaynati | 
| Binomial name | |
| †Portellsaurus sosbaynati Santos-Cubedo et al., 2021 | |
Portellsaurus (meaning "Portell Lizard") is a genus of hadrosauroid dinosaur from the Lower Cretaceous Margas de Mirambell Formation of Spain. The genus contains a single species, Portellsaurus sosbaynati, known from a partial right dentary.