Guaibasaurus
| Guaibasaurus Temporal range: Late Triassic, | |
|---|---|
| Skeletal reconstruction of Guaibasaurus candelariensis as an advanced, Unaysaurus-grade sauropodomorph. Known elements are in white. | |
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Clade: | Dinosauria |
| Clade: | Saurischia |
| Clade: | †Sauropodomorpha |
| Family: | †Guaibasauridae |
| Genus: | †Guaibasaurus Bonaparte et al., 1999 |
| Species: | †G. candelariensis |
| Binomial name | |
| †Guaibasaurus candelariensis Bonaparte et al., 1999 | |
Guaibasaurus is an extinct genus of basal saurischian dinosaur known from the Late Triassic Caturrita Formation of Rio Grande do Sul, southern Brazil. Most analyses recover it as a sauropodomorph, although there are some suggestions that it was a theropod instead. In 2016 Gregory S. Paul estimated it at 2 meters (6.6 ft) and 10 kg (22 lbs), whereas in 2020 Molina-Pérez and Larramendi listed it at 3 meters (10 ft) and 35 kg (77 lbs).