Utahraptor Utahraptor ostrommaysi Kirkland et al. 1993
/jˈuːɾɑːɹˌæptɚ/
estimated
Early Cretaceous (Valanginian) · 137.1–132.6 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Habitat
ground-dwelling
Where It Was Found
Country
United States
Region
Utah
Formation
Cedar Mountain
Dig sites
2
distinct collections
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 is recorded as ground-dwelling. Fossils have been recovered from Utah, United States. 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%
confidence from occurrence count
Based on 2 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Utahraptor ostrommaysi sits in deep time
Utahraptor
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Utahraptor ostrommaysi's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology. Predator–prey pairs additionally have to have been dug up in the same place.