Dinosauria › Reptilia › Theropoda › Dromaeosauridae
Deinonychus
Deinonychus antirrhopus (Ostrom 1969)
Early Cretaceous (Cenomanian) · 121.4–93.9 Mya
Key Statistics
Diet
carnivore
Locomotion
bipedal
inferred from clade
Overview
Deinonychus antirrhopus is a theropod dinosaur known from the Early Cretaceous, roughly 121.4–93.9 million years ago. It was a carnivore. It was named by (Ostrom 1969). The species is represented by 35 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~75%
confidence from occurrence count
Confirmed
Inferred
Based on 35 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Deinonychus sits in deep time
Deinonychus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Deinonychus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.