| Rocasaurus Temporal range: Late Cretaceous |
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| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Sauropsida |
| Superorder: | Dinosauria |
| Order: | Saurischia |
| Suborder: | Sauropodomorpha |
| Infraorder: | Sauropoda |
| (unranked): | Titanosauria |
| Genus: | Rocasaurus Salgado & Azpilicueta, 2000 |
| Species | |
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Rocasaurus (meaning "Roca City Lizard") is a genus of titanosaurian sauropod that lived in South America about 80 million years ago, during the Late Cretaceous. This genus grew up to 8 meters long, making it one of the smaller sauropods. Rocasaurus was discovered in Argentina in 2000.
The type species, Rocasaurus muniozi, was formally described by Salgado and Azpilicueta in 2000.