Dinosauria › Ornithischia › Ornithopoda › Tenontosauridae
Tenontosaurus
Tenontosaurus tilletti Ostrom 1970
Early Cretaceous (Cenomanian) · 121.4–93.9 Mya
Key Statistics
Diet
herbivore
Locomotion
bipedal
inferred from clade
Overview
Tenontosaurus tilletti is an ornithopod dinosaur known from the Early Cretaceous, roughly 121.4–93.9 million years ago. It was a herbivore. It was named by Ostrom 1970. The species is represented by 53 recorded occurrences in the Paleobiology Database.
Fossil Record Completeness
How much of this profile is grounded in the fossil record
~88%
confidence from occurrence count
Confirmed
Inferred
Based on 53 recorded occurrences in the Paleobiology Database.
Geologic Time
Where Tenontosaurus sits in deep time
Tenontosaurus
252 Mya201 Mya145 Mya66 Mya
Relationships
Part of a wider fossil web
These species share Tenontosaurus's place in deep time — computed from overlapping age ranges, shared clades, and inferred ecology.