Outline: a typical theropod

Cañadón Asfalto Fm., ArgentinaNamed 2012

Eoabelisaurus

"dawn Abelisaurus"

Lived
184 to 175 million years ago, Early Jurassic
Diet
Carnivore
Group
Theropods, Abelisauridae
Found in
Argentina
Named by
Pol and Rauhut 2012

Where its fossils were found

The evidence

Today

1 find

180 million years ago

Map: C. R. Scotese, PALEOMAP

Field notes

About Eoabelisaurus

What it was like

Eoabelisaurus was a predator and the oldest known member of the abelisaurids, the family of Carnotaurus. Its arms were already very short, with a stubby forearm, a trait that became extreme in later abelisaurs.

Its world

It lived in the Jurassic, in what is now Argentina. It comes from the Cañadón Asfalto Formation, where it shared the land with the predators Piatnitzkysaurus and Condorraptor and the sauropods Patagosaurus and Bagualia.

How it was found

Pol and Rauhut named Eoabelisaurus in 2012, from a nearly complete skeleton. It showed that abelisaurs had appeared tens of millions of years earlier than once thought.

Lived alongside

Found in the same rock formations

Close relatives

Other members of Abelisauridae

Sources: WikidataNamed in: D. Pol and O. W. M. Rauhut. 2012. A Middle Jurassic abelisaurid from Patagonia and the early diversification of theropod dinosaurs. Proceedings of the Royal Society of London, B 279:3170-3175