Dinosauria › Reptilia › Theropoda › Tyrannosauridae
Tyrannosaurus
Tyrannosaurus rex Osborn 1905
Late Cretaceous (Maastrichtian) · 83.6–66 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Overview
Tyrannosaurus rex is a theropod dinosaur known from the Late Cretaceous, roughly 83.6–66.0 million years ago. It was a carnivore. It was named by Osborn 1905. The species is represented by 70 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~94%
confidence from occurrence count
Confirmed
Inferred
Based on 70 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Tyrannosaurus sits in deep time
Tyrannosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Tyrannosaurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.