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Temporal range: Late Cretaceous
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Superorder: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Infraorder: Sauropoda
(unranked): Titanosauria
Family: Saltasauridae?
Subfamily: Saltasaurinae?
Genus: Rocasaurus
Salgado & Azpilicueta, 2000
  • R. muniozi Salgado & Azpilicueta, 2000 type

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.

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