Riojasaurus Temporal range: Norian
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Riojasaurus skull cast | |
Scientific classification ![]() | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Clade: | Dinosauria |
Clade: | Saurischia |
Clade: | †Sauropodomorpha |
Clade: | †Riojasauridae |
Genus: | †Riojasaurus Bonaparte 1969 |
Type species | |
†Riojasaurus incertus Bonaparte 1969
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Riojasaurus (meaning "Rioja lizard") was a herbivorous sauropodomorph dinosaur named after La Rioja Province in Argentina where it was found in the Los Colorados Formation in the Ischigualasto-Villa Unión Basin by José Bonaparte. It lived during the Late Triassic (Norian stage) and grew to about 6.6 metres (22 ft) long.[1] Riojasaurus is the only known riojasaurid to live in South America.