NormalUtahraptor
Utahraptor ostrommaysorum
YOO-tah-RAP-tor· “Utah's thief”
🦕 Dinosaur🕰️ Cretaceous🥩 carnivore🦴 Dromaeosauridae
6 m
Length
2 m
Height
500 kg
Weight
The largest raptor known — a powerfully built dromaeosaur with a sickle-shaped killing claw up to 23 cm long on each foot. It hunted Early Cretaceous North America tens of millions of years before smaller cousins like Velociraptor.
When
Early Cretaceous, ~135–130 million years ago
Found in
United States
Discovered
James Kirkland, 1991
Did you know?
- By far the biggest raptor known, dwarfing Velociraptor.
- Each foot carried a sickle claw up to about 23 cm long.
- Named for Utah, where it was discovered in 1991.
Artwork: Fred Wierum, Wikimedia Commons, CC BY-SA 4.0.