Orkoraptor

Say it: OR-koh-RAP-tor

Name means: “tooth snatcher”1

Ate: MeatOther meat-eatersLate Cretaceous

Orkoraptor was a fierce meat-eating dinosaur that lived in South America. It had sharp teeth and probably hunted other animals. Scientists are still learning about this mysterious predator.1 2

Lived

84 to 72 million years ago4

Late Cretaceous

Fossils found in

Argentina, in the Cerro Fortaleza Formation of Santa Cruz province.1 1

Food

Meat1 2

When did it live?

Triassic

Jurassic

Cretaceous

252 million years ago20114566, the asteroid

cool stuff

Fun facts

Orkoraptor had teeth with smooth edges on the front, which is unusual for meat-eating dinosaurs.1

Its teeth had a special groove on the inside, a feature that is unique to this dinosaur.1

Orkoraptor lived about 83 to 72 million years ago, during the Late Cretaceous period.1

It was a ground-dwelling dinosaur that moved actively on land.1

Orkoraptor laid eggs, like most other dinosaurs.1 2

The only known species is called Orkoraptor burkei.1 2

AI-made picture of Orkoraptor — An AI-made picture of how Orkoraptor 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 Orkoraptor

?How big was Orkoraptor?

Orkoraptor was about 8.4 metres (28 feet) long and weighed around 1,400 kilograms (3,100 pounds).3

?What did Orkoraptor eat?

Orkoraptor was a carnivore, meaning it ate meat. It had sharp teeth and probably hunted other animals.2

?When did Orkoraptor live?

Orkoraptor lived during the Late Cretaceous Period, about 83 to 72 million years ago.4

?Where was Orkoraptor found?

Orkoraptor fossils were found in southern Patagonia, Argentina, in the Cerro Fortaleza Formation.3

?Did Orkoraptor lay eggs?

Yes, Orkoraptor laid eggs, just like most other dinosaurs. It was oviparous.2

?Is Orkoraptor a dinosaur?

Yes, Orkoraptor is a dinosaur. It was a medium-sized megaraptoran theropod dinosaur.3

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For dino experts

Scientific name: Orkoraptor
Named by: Novas et al. 20084
Group: Other meat-eaters
Family / clade: Megaraptoridae4
Classification: Theropoda > Megaraptora4
Age of the rocks: 84 to 72 million years (Campanian)4
Rock formations: Cerro Fortaleza4
Countries: Argentina4
Fossil records: 2 in the Paleobiology Database4
Discovery: Orkoraptor was named by Novas and colleagues in 2008. The first fossils were found in Argentina, in the Cerro Fortaleza Formation.1 1
Still debated: Scientists are still debating exactly which group of theropod dinosaurs Orkoraptor belongs to. Some think it is a megaraptoran, while others place it in different groups.1

Where the facts come from

PBDB Taxon (paleobiodb.org)
Orkoraptor Novas et al. 2008 - Encyclopedia of Life (eol.org)
Orkoraptor (en.wikipedia.org)
Orkoraptor in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.

Every fact on this page has a number that points to its source. If we got something wrong, sorry, we are dino fans, not a science journal. Tell us at [email protected] and we will fix it.

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