Outline: a typical theropod

Alcobaça Fm., PortugalNamed 2003

Aviatyrannis

"grandmother tyrant"

Lived
155 to 149 million years ago, Late Jurassic
Diet
Omnivore
Group
Theropods
Found in
Portugal
Named by
Rauhut 2003

Where its fossils were found

The evidence

Today

2 finds

150 million years ago

Map: C. R. Scotese, PALEOMAP

Field notes

About Aviatyrannis

What it was like

Aviatyrannis was a small theropod known from a few hip bones. It was first described as an early tyrannosauroid, but some later studies have linked it to the ornithomimosaurs instead.

Its world

It lived in the Late Jurassic, in what is now Portugal. It comes from the Alcobaça Formation, from a time when the region shared animals such as Allosaurus and the stegosaur Dacentrurus.

How it was found

Rauhut named Aviatyrannis in 2003.

Lived alongside

Found in the same rock formations

Close relatives

Other members of Ornithomimosauria

Sources: WikidataNamed in: O. W. M. Rauhut. 2003. A tyrannosauroid dinosaur from the Upper Jurassic of Portugal. Palaeontology 46(5):903-913