Riojasaurus

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Riojasaurus
Temporal range: Upper Triassic
reconstruction of Riojasaurus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Sauropsida
Superorder: Dinosauria
Order: Saurischia
Suborder: Sauropodomorpha
Infraorder: Prosauropoda
Family: Riojasauridae
Genus: Riojasaurus
Bonaparte, 1967
Species
  • R. incertus Bonaparte, 1967 (type)

Riojasaurus was one of the earliest of the large, plant-eating dinosaurs. Riojasaurus lived during the late Triassic period, roughly 225 to 219 million years ago. Fossils have been found in La Rioja Province in Argentina. Fossils include incomplete skeletons from about 20 individuals.