Tietasaura
| Tietasaura Temporal range: Early Cretaceous, | |
|---|---|
| Skeletal reconstruction (known material in white) | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | †Ornithischia |
| Clade: | †Ornithopoda |
| Clade: | †Elasmaria |
| Genus: | †Tietasaura Bandeira et al., 2024 |
| Species: | †T. derbyiana |
| Binomial name | |
| †Tietasaura derbyiana Bandeira et al., 2024 | |
Tietasaura (meaning "Tieta lizard") is an extinct genus of elasmarian ornithopod dinosaur from the Early Cretaceous Marfim Formation of Brazil. The genus contains a single species, T. derbyiana, known from a single incomplete femur. Tietasaura is notable for being the first ornithischian dinosaur ever named from Brazil.