Utahraptor ostrommaysorum
Utahraptor ostrommaysorum: The Giant Claw of the Cretaceous
Meet Utahraptor ostrommaysorum, the largest raptor to ever walk the Earth! This powerful predator lived around 135 million years ago during the Early Cretaceous, roaming what is now Utah, USA. Stretching up to 20 feet long, Utahraptor took everything you know about smaller raptors like Velociraptor—and scaled it up. With massive claws, a muscular build, and serious hunting power, this dromaeosaur was a true apex predator of its time.
Unlike its smaller relatives, Utahraptor relied less on speed and more on strength. Its famous sickle-shaped claw could grow over 9 inches long, making it one of the most formidable weapons in the dinosaur world. Covered in feathers and built like a tank, Utahraptor ostrommaysorum represents the heavyweight champion of the raptor family—proving that sometimes, bigger really is better.
DID YOU KNOW?
Biggest Raptor Ever
At up to 20 feet long, Utahraptor dwarfed its more famous cousin Velociraptor.
Build Like a Pro: Downloadable Instructions
Lost your guide or just want a sneak peek before your kit arrives? No worries! Download step-by-step assembly instructions for all of our kits right here. Clear visuals, helpful tips, and everything you need to bring your prehistoric project to life—just a click away.
DID YOU KNOW?
Massive Killing Claw
Its enlarged toe claw was one of the largest of any raptor—built for gripping and slashing prey.
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DID YOU KNOW?
Feathered Giant
Like other dromaeosaurs, Utahraptor likely had feathers, blending power with bird-like traits.
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