Dinosauria › Reptilia › Theropoda › Dromaeosauridae
Silhouette of Utahraptor

Utahraptor

Utahraptor ostrommaysi Kirkland et al. 1993

Early Cretaceous (Valanginian) · 137.1–132.6 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Overview

Utahraptor ostrommaysi is a theropod dinosaur known from the Early Cretaceous, roughly 137.1–132.6 million years ago. It was a carnivore. It was named by Kirkland et al. 1993. The species is represented by 2 recorded occurrences in the Paleobiology Database.

Fossil Record Completeness

How much of this profile is grounded in the fossil record

~8%
fragmentary record
Confirmed
Inferred
Based on 2 recorded occurrences in the Paleobiology Database.
Geologic Time

Where Utahraptor sits in deep time

TRIASSIC
JURASSIC
CRETACEOUS
Utahraptor
252 Mya201 Mya145 Mya66 Mya
Relationships

Part of a wider fossil web

These species share Utahraptor's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.

predator–prey
Hypselospinus
Hypselospinus fittoni
View profile →
predator–prey
Moabosaurus
Moabosaurus utahensis
View profile →
predator–prey
Gastonia
Gastonia burgei
View profile →
coexisted–with
Euhelopus
Euhelopus zdanskyi
View profile →
coexisted–with
Pilmatueia
Pilmatueia faundezi
View profile →
same–clade
Nedcolbertia
Nedcolbertia justinhoffmanni
View profile →
same–clade
Xiyunykus
Xiyunykus pengi
View profile →
same–clade
Martharaptor
Martharaptor greenriverensis
View profile →