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Science & Nature • Paleontology

Yutyrannus

Yutyrannus is a genus of large feathered tyrannosauroid dinosaurs from the Early Cretaceous of northeastern China.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 26, 2026|2 min read| Fact-checked

Yutyrannus is a genus of large feathered tyrannosauroid dinosaurs from the Early Cretaceous of northeastern China. It is known from one species, Yutyrannus huali, and is notable as the largest dinosaur yet found with direct evidence of feathers.

Discovery and fossils

Yutyrannus huali was described from three specimens found in Liaoning Province, China, in rocks of the Early Cretaceous. The fossils include preserved feather impressions that made the animal especially significant to paleontologists.

Classification

Yutyrannus belongs to Tyrannosauroidea, the broader group that includes Tyrannosaurus rex and its relatives. Sources describe it as an early or basal member of this lineage.

Feathers and size

The genus is famous for showing that very large dinosaurs could still retain feather coverings. Its feathers were not flight feathers but filament-like structures, and it is described as the largest known dinosaur with direct evidence of feathers.

Palaeoecology

Yutyrannus lived during the Early Cretaceous in what is now northeastern China. As a large carnivorous dinosaur, it likely occupied a predatory role in its ecosystem.

Key facts

  • Yutyrannus is a tyrannosauroid dinosaur from Early Cretaceous deposits in northeastern China.
  • The genus contains a single known species, Yutyrannus huali.
  • Three fossils are known, all from Liaoning Province.
  • It is the largest known dinosaur with direct evidence of feathers.
  • The preserved feathers were filamentous, often described as fuzzy or down-like.
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Canadian context

Yutyrannus is relevant to Canadian readers because it is a major example used in dinosaur education and museum interpretation to explain feathered dinosaurs and tyrannosaur evolution.

Frequently asked questions

What is Yutyrannus?
Yutyrannus is a genus of large feathered tyrannosauroid dinosaurs from the Early Cretaceous of China.
How many species of Yutyrannus are known?
One species is currently known: Yutyrannus huali.
Why is Yutyrannus important?
It is the largest known dinosaur with direct evidence of feathers, making it important for studying dinosaur insulation and evolution.
Where was Yutyrannus discovered?
Its fossils were found in Liaoning Province, northeastern China.
Did Yutyrannus have feathers?
Yes. The fossils preserve filamentous feathers, described as fuzzy or down-like coverings.

References

  1. Australian Museum — https://australian.museum/learn/dinosaurs/fact-sheets/yutyrannus-huali/
    Supports: Largest known dinosaur with direct evidence of feathers; three specimens; feather description
  2. Wikipedia — https://en.wikipedia.org/wiki/Yutyrannus
    Supports: Genus contains one species; Early Cretaceous; northeastern China; three fossils from Liaoning
  3. Natural History Museum — https://www.nhm.ac.uk/discover/dino-directory/yutyrannus.html
    Supports: Large meat-eating dinosaur from northern China; early tyrannosaur member
  4. American Museum of Natural History — https://www.amnh.org/explore/news-blogs/yutyrannus-huali-feathered-tyrannosaur
    Supports: Discovery context; proto-feathers; large theropod with direct evidence of feathers