Outline: a typical early sauropodomorph

Caturrita Fm., BrazilNamed 1999

Guaibasaurus

Lived
227 to 206 million years ago, Late Triassic
Length
about 1.8 m (6 ft)
Group
Early sauropodomorphs, Guaibasauridae
Found in
Brazil
Named by
Bonaparte et al. 1999

Size comparison

To scale

Where its fossils were found

The evidence

Today

2 finds

220 million years ago

Map: C. R. Scotese, PALEOMAP

Field notes

About Guaibasaurus

What it was like

Guaibasaurus was a small, early dinosaur about 1.8 meters (6 feet) long that ran on its hind legs. Most scientists place it near the start of the line that led to the long-necked sauropods.

Its world

It lived in the Late Triassic, in what is now Brazil. It comes from the Caturrita Formation, where it shared the land with the plant eaters Unaysaurus and Macrocollum.

How it was found

Bonaparte and colleagues named Guaibasaurus in 1999.

Lived alongside

Found in the same rock formations

Close relatives

Other members of Guaibasauridae

Sources: WikidataNamed in: J. F. Bonaparte, J. Ferigolo, and A. M. Ribeiro. 1999. A new early Late Triassic saurischian dinosaur from Rio Grande do Sol state, Brazil. Proceedings of the Second Gondwanan Dinosaur Symposium, National Science Museum Monographs 15:89-109