Rayososaurus

Rayoso (Formation) lizard

• Rayoso · Spanish (place name) · the Rayoso Formation, Neuquén, Argentina
• sauros · Greek · lizard

The name combines the Rayoso Formation, the rock unit in Argentina where the first fossils were found, with the Greek word for lizard. It literally means "lizard from the Rayoso (Formation)". It was named after a place, not after a feature of the animal.

Named by

Bonaparte

Year named

1996

Period

Early Cretaceous

Found in

Rayoso Formation, Neuquén Province, Argentina

Rayososaurus is a rebbachisaurid sauropod. The type species is R. agrioensis. It is known from limited material, and its validity and exact relationships have been debated. Another Argentine rebbachisaurid once placed in this genus or in Rebbachisaurus (tessonei) is now called Limaysaurus.