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Ilokelesia

Say it: ee-loh-keh-LEH-see-ah
Name means: “flesh lizard”1
Ate: MeatMeat-eating dinosEarly Cretaceous

Ilokelesia was a meat-eating dinosaur that lived in what is now Argentina about 106 million years ago. It was a medium-sized predator that walked on two legs and had special bones in its skull and spine that made it different from other meat-eaters.1

Lived
110 to 106 million years ago2
Early Cretaceous
Fossils found in
Aguada Grande, Neuquén Province, Argentina21
Food
Meat21
Length
4 to 5.8 m1
estimates vary, from 4 meters (13 ft) to 5.8 meters (19 ft)
Weight
200 kg to 840 kg1
Top speed
about 44 km/h (27 mph)
Running, estimate

When did it live?

Triassic
Jurassic
Cretaceous
252 million years ago20114566, the asteroid

How big was it?

How long was it?

Ilokelesia about 5.8 m longA bicycle about 1.8 mA car about 4.5 mAn elephant, the biggest land animal today about 6.5 mA house about 10 m

How heavy was it?

as heavy as 28 big dogs
as long as 6 dogs nose to tailas long as 32 bananas end to endas heavy as 170 watermelons

How big was Ilokelesia compared to YOU?

Just maths in your browser. Nothing is saved or sent anywhere.

How fast was it?

cool stuff

Fun facts

1

Ilokelesia is known from only a few skull and skeleton fragments, discovered in 1991.1

2

Its name comes from the Mapuche language, where 'ilo' means flesh and 'kelesio' means lizard.1

3

Ilokelesia was found just 10 meters away from another dinosaur called Huinculsaurus.1

4

Scientists think Ilokelesia was one of the earliest and most primitive abelisaurids, a group of horned meat-eaters.1

5

The bones of Ilokelesia have special features on the skull and spine that help tell it apart from other abelisaurids.1

AI-madeAI-made picture of Ilokelesia
An AI-made picture of how Ilokelesia 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.
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Most asked questions about Ilokelesia

?How big was Ilokelesia?

Ilokelesia was a medium sized theropod. Scientists estimate it was about 4 to 5.8 metres (13 to 19 ft) long and weighed between 200 and 840 kg (440 to 1850 lbs).1

?What did Ilokelesia eat?

Ilokelesia was a meat-eater. It was a carnivorous dinosaur that hunted other animals.2

?When did Ilokelesia live?

Ilokelesia lived during the Early Cretaceous period, about 106 million years ago.1

?Where was Ilokelesia found?

Ilokelesia was found in Argentina, in the Huincul Formation of Neuquén Province.1

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For dino experts

Scientific name
Ilokelesia
Named by
Coria and Salgado 20002
Group
Meat-eating dinos
Family / clade
Abelisauridae2
Classification
Theropoda > Ceratosauria > Abelisauridae2
Age of the rocks
110 to 106 million years (Albian)2
Rock formations
Huincul2
Countries
Argentina2
Fossil records
1 in the Paleobiology Database2
Discovery
Ilokelesia was named and described by Rodolfo Coria and Leonardo Salgado in 1998, based on fragmentary fossils found in 1991 in the Huincul Formation of Argentina.1
Still debated
Scientists are not sure exactly how big Ilokelesia was, because only a few bones have been found. Different estimates give lengths from 4 to 5.8 meters.1

Where the facts come from

  1. Ilokelesia (en.wikipedia.org)
  2. Ilokelesia 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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More from the same group: Meat-eating dinos

Also from the same time: Early Cretaceous

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