Bagaraatan
Bagaraatan was a small, fast meat-eating dinosaur that lived in what is now Mongolia. It had a strong jaw with sharp teeth and long, slender legs for chasing prey. Scientists think it was about as long as a car!2
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Fun facts
Bagaraatan had a tail that was not very flexible near the body, because many bones in the tail were locked together.2
The first fossil of Bagaraatan was found in 1970 by Zofia Kielan-Jaworowska during a Polish-Mongolian expedition.2
At first, scientists thought Bagaraatan was a mix of different dinosaur parts, but later studies showed it is likely a small relative of Tyrannosaurus.1
Bagaraatan was about 3 to 3.5 meters long, which is similar to a large Deinonychus.2
The shin and ankle bones of Bagaraatan were fused together, giving it a strong lower leg.2
Bagaraatan had two holes in the back part of its lower jaw, which is unusual among theropod dinosaurs.2
Most asked questions about Bagaraatan
?How big was Bagaraatan?
About 3 to 3.5 metres (10 to 11.5 feet) long, which is about as long as a small car. It stood less than 1 metre (3.3 feet) tall at the hips.12
?What did Bagaraatan eat?
It was a meat-eater. It had strong jaws with sharp teeth and long legs for chasing prey, so it was probably an active predator or scavenger.2
?Was Bagaraatan a dinosaur?
Yes, it was a theropod dinosaur from the Late Cretaceous period. It lived in what is now Mongolia.1
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Myth buster
Myth: Bagaraatan was a bird-like dinosaur with feathers.
Truth: Scientists have not found any evidence of feathers for Bagaraatan, and it is now thought to be a small tyrannosaurid, which probably had scaly skin like other tyrannosaurs.1
For dino experts
- Scientific name
- Bagaraatan
- Named by
- Osmólska 19964
- Group
- Tyrannosaurs
- Family / clade
- Tyrannosauridae4
- Classification
- Theropoda > Tyrannosauroidea > Tyrannosauridae4
- Age of the rocks
- 72 to 66 million years (Maastrichtian)4
- Rock formations
- Nemegt4
- Countries
- Mongolia4
- Fossil records
- 1 in the Paleobiology Database4
- Discovery
- Bagaraatan was named in 1996 by Halszka Osmólska based on a partial skeleton found in Mongolia. The skeleton was discovered by Zofia Kielan-Jaworowska in 1970.42
- Still debated
- Scientists are still debating whether Bagaraatan is a true tyrannosaurid or a close relative, and whether the fossils include bones from more than one animal.1
Where the facts come from
- Bagaraatan (en.wikipedia.org)
- An unusual theropod dinosaur from the Late Cretaceous Nemegt Formation of Mongolia (app.pan.pl)
- Reassessment of the enigmatic Late Cretaceous theropod dinosaur, Bagaraatan ostromi | Zoological Journal of the Linnean Society | Oxford Academic (academic.oup.com)
- Bagaraatan in The Paleobiology Database (CC BY 4.0): age, places, rock formations, classification.
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