Outline: a typical theropod

Nemegt Fm., MongoliaNamed 1996

Bagaraatan

"small predator"

Type species Bagaraatan ostromi

Lived
72 to 66 million years ago, Late Cretaceous
Diet
Carnivore
Group
Theropods, Tyrannosauridae
Found in
Mongolia
Named by
Osmólska 1996

Where its fossils were found

The evidence

Today

1 find

70 million years ago

Map: C. R. Scotese, PALEOMAP

Field notes

About Bagaraatan

What it was like

Bagaraatan was a small two-legged predator known from a lower jaw, hip bones and parts of a leg. It may have been an early relative of the tyrannosaurs, but its place is debated, and some scientists think its bones come from more than one animal.

Its world

It lived about 72 to 66 million years ago, at the end of the Late Cretaceous, in what is now Mongolia. Its bones come from the Nemegt Formation, a land of rivers where it shared the land with the huge predator Tarbosaurus, the ostrich-like Gallimimus and the giant Deinocheirus.

How it was found

Osmólska named it in 1996. The type species is Bagaraatan ostromi. Its name comes from Mongolian words.

Lived alongside

Found in the same rock formations

Close relatives

Other members of Tyrannosauridae

Sources: WikidataNamed in: H. Osmólska. 1996. An unusual theropod dinosaur from the Late Cretaceous Nemegt Formation of Mongolia. Acta Palaeontologica Polonica 41(1):1-38