Utahraptor
CretaceousCarnivoreMedium

Utahraptor

YOU-tah-RAP-tor

"Utah's thief"

Overview

Utahraptor was the largest known dromaeosaurid, a powerful and heavily built relative of Velociraptor. With enormous sickle claws and a robust body, it was a formidable predator capable of taking down large prey.

Vital Statistics

Length
5 m
Height
1.5 m
Weight
500 kg
Est. Speed
30 km/h
Discovered
1993
Named by
James Kirkland et al.

Countries Discovered

United States

Fossil Locations

🦴
Leaflet © OpenStreetMap
📍 Grand County, Utah

Interesting Facts

Utahraptor was roughly the size popular culture attributes to Velociraptor.

Its sickle claws measured up to 24 centimeters in length.

A remarkable fossil block may contain multiple Utahraptors trapped together with prey, suggesting pack behavior.

Utahraptor was over five times heavier than Velociraptor.

Closest Relatives

DromaeosaurusAchillobatorDeinonychusVelociraptor