Fenestrosaurus

Say it: fen-es-tro-SORE-us

Ate: MeatOther meat-eatersLate Cretaceous

Fenestrosaurus was a meat-eating dinosaur that lived in what is now Mongolia. It was a theropod, which means it walked on two legs and hunted other animals. Scientists think it lived about 80 million years ago during the Late Cretaceous period.4 1

Lived

84 to 72 million years ago4

Late Cretaceous

Fossils found in

Mongolia (Omnogov Province), in the Djadokhta Formation1 2

Food

Meat4

When did it live?

Triassic

Jurassic

Cretaceous

252 million years ago20114566, the asteroid

cool stuff

Fun facts

Fenestrosaurus was named by the famous paleontologist Henry Fairfield Osborn in 1924.4

The only species in this genus is called Fenestrosaurus philoceratops.4

Fenestrosaurus lived during the Campanian age, which was about 83.6 to 72.2 million years ago.1

Its fossils were found in the Djadokhta Formation, a famous fossil site in Mongolia that also contains other dinosaurs like Velociraptor and Protoceratops.2

Fenestrosaurus was a ground-dwelling dinosaur that lived alone, according to scientists.1

AI-made picture of Fenestrosaurus — An AI-made picture of how Fenestrosaurus might have looked, made by a computer from what scientists know. It is a guess: the real animal may have looked different, and nobody knows its true colours.

you asked

Most asked questions about Fenestrosaurus

?How big was Fenestrosaurus?

Scientists don't know its exact size because only a few bones have been found, but it was a small theropod, probably around 1.6 to 2 metres long and weighing 33 to 40 kilograms.3

?Did Fenestrosaurus have feathers?

Yes, it likely had feathers. Its close relative Oviraptor is known to have been feathered, and Fenestrosaurus probably had them too.3

?What did Fenestrosaurus eat?

It was a meat-eating dinosaur, but it may also have eaten eggs or plants. Its toothless beak suggests it had a varied diet.3

?Is Fenestrosaurus the same as Oviraptor?

Yes, Fenestrosaurus philoceratops is actually the same animal as Oviraptor philoceratops. The name Fenestrosaurus was used briefly but later replaced by Oviraptor.3 4

?Could Fenestrosaurus fly?

No, it could not fly. It was a ground-dwelling dinosaur that walked on two legs.4

?When did Fenestrosaurus live?

It lived about 83.6 to 72.2 million years ago, during the Late Cretaceous period.4

?Where was Fenestrosaurus found?

Its fossils were found in the Djadokhta Formation in Mongolia, a famous site that also contains Velociraptor and Protoceratops.3 4

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For dino experts

Scientific name: Fenestrosaurus
Named by: Osborn 19244
Group: Other meat-eaters
Family / clade: Theropoda4
Classification: Theropoda4
Age of the rocks: 84 to 72 million years (Campanian)4
Rock formations: Djadokhta4
Countries: Mongolia4
Fossil records: 1 in the Paleobiology Database4
Discovery: Fenestrosaurus was named by Henry Fairfield Osborn in 1924. The name was first published in the magazine Natural History.4

Where the facts come from

PBDB Taxon (paleobiodb.org)
Fenestrosaurus | Dinopedia (dinosciencecenter.com)
Oviraptor (Wikipedia) (Wikipedia)
Fenestrosaurus in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.

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