Outline: a typical theropod

Allen Fm., ArgentinaNamed 2001

Quilmesaurus

"Quilmes lizard"

Lived
72 to 66 million years ago, Late Cretaceous
Diet
Carnivore
Group
Theropods, Abelisauridae
Found in
Argentina
Named by
Coria 2001

Where its fossils were found

The evidence

Today

1 find

70 million years ago

Map: C. R. Scotese, PALEOMAP

Field notes

About Quilmesaurus

What it was like

Quilmesaurus was a two-legged predator from the abelisaurid family, the group that includes Carnotaurus. It is known only from leg bones, so its skull and size are unknown. Like its relatives, it probably had a short, deep head and tiny arms.

Its world

It lived about 72 to 66 million years ago, at the end of the Late Cretaceous, in what is now Argentina. Its bones come from the Allen Formation, where it lived alongside the raptor Austroraptor, the titanosaur Aeolosaurus and the armored Patagopelta.

How it was found

Coria named Quilmesaurus in 2001 from one find. The name honors a native people who once lived in the region.

Lived alongside

Found in the same rock formations

Close relatives

Other members of Abelisauridae

Sources: WikidataNamed in: R. A. Coria. 2001. New theropod from the Late Cretaceous of Patagonia. Mesozoic Vertebrate Life