Utahraptor

Utahraptor ostrommaysi

Utahraptor was the largest known dromaeosaurid, far larger than Velociraptor. Its sickle-shaped toe claw could reach 22 cm long. It was the closest real dinosaur to the oversized Jurassic Park raptors.

Physical Description

Measurement Value Human Scale
Länge 5.5 m roughly the length of a large SUV
Height 1.8 m
Gewicht 500 kg about 7 adult humans

Diet & Feeding

Carnivore

Utahraptor was a meat-eating predator. Carnivorous dinosaurs were active hunters or scavengers, equipped with sharp teeth and claws for catching and consuming prey. They occupied the top of the food chain in their ecosystems.

Time Period

Cretaceous Early Mesozoic Era

Utahraptor lived during the Cretaceous Early period of the Mesozoic Era, approximately 145,0 to 100,5 million years ago.

The Cretaceous saw continued dinosaur evolution with the rise of ornithopods and early ceratopsians. Flowering plants first appeared and began to transform terrestrial ecosystems. Spinosaurus and other large theropods lived during this time.

Discovery & Naming

Benannt von James Kirkland et al.
Entdeckungsjahr 1993
Fundort Arches National Park, Utah, USA

Klassifikation

Dinosauria Saurischia Theropoda Dromaeosauridae Utahraptor

Raptors

Small to medium-sized feathered theropods known for their sickle-shaped retractable claws on the second toe. Includes Velociraptor and Deinonychus. Closely related to birds.

Size Comparison

At 5,5 meters long and 500,0 kg, Utahraptor was roughly the length of a large SUV and about 7 adult humans.

Quick Facts

Klassifikation Dromaeosauridae
Geologischer Zeitraum Cretaceous Early
Ernährung Carnivore
Größe 5.5m long, 1.8m tall, 500.0kg

Verwandte Dinosaurier

Häufig gestellte Fragen

When did Utahraptor live?
Utahraptor lived during the Cretaceous Early period (Mesozoic Era, 145.0–100.5 million years ago).
What did Utahraptor eat?
Utahraptor was a carnivore.
How big was Utahraptor?
Utahraptor was approximately 5.5 meters long, 1.8 meters tall, weighed around 500.0 kg.
When was Utahraptor discovered?
Utahraptor was first described in 1993 by James Kirkland et al., with fossils found in Arches National Park, Utah, USA.
What type of dinosaur was Utahraptor?
Utahraptor belonged to the Dromaeosauridae group, which is part of the larger Theropoda clade.
Where were Utahraptor fossils found?
Fossils of Utahraptor were found in Arches National Park, Utah, USA.
What is the scientific name of Utahraptor?
The scientific name of Utahraptor is Utahraptor ostrommaysi.

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