Riojasaurus

DV-0201

Lived: 227 to 206 million years ago, Late Triassic
Length: about 5.2 m (17 ft)
Group: Early sauropodomorphs, Riojasauridae
Found in: Argentina
Named by: Bonaparte 1969

Field notes

About Riojasaurus

Riojasaurus was an early sauropodomorph that lived in the Late Triassic, 227 to 206 million years ago. It belongs to the family Riojasauridae.

The Paleobiology Database lists 2 finds of Riojasaurus, from Argentina. Its fossils come from the Los Colorados Formation. It was named by Bonaparte in 1969.

The evidence

Where its fossils were found

Today

2 finds

220 million years ago

Map: C. R. Scotese, PALEOMAP

To scale

How big was Riojasaurus?

Riojasaurus: about 5.2 m (17 ft) · Person: 1.8 m (6 ft)Silhouette: typical early sauropodomorph shape

Lived alongside

Found in the same rock formations.

Close relatives

Other members of Riojasauridae.

EucnemesaurusLate Triassic

Sources: Paleobiology Database, WikidataNamed in: J. F. Bonaparte. 1969. Dos nuevas "faunas" de reptiles triasicos de Argentina [Two new reptilian "faunas" of the Argentine Triassic]. Gondwana Stratigraphy (IUGS Symposium, Buenos Aires) 2:283-306