Very HardTenontosaurus
Tenontosaurus tilletti
ten-ON-toh-SORE-us· “sinew lizard”
🕰️ Cretaceous🌿 herbivore🦴 Iguanodontia
7 m
Length
2 m
Height
1 t
Weight
A medium-sized plant-eater with an extraordinarily long, stiff tail — and the animal most often found alongside the fearsome raptor Deinonychus.
When
Early Cretaceous, ~115–108 million years ago
Found in
United States
Discovered
John Ostrom, 1970
Did you know?
- Its long, stiff tail made up more than half its length.
- Its bones are often found with teeth of the raptor Deinonychus.
- It may have been a favourite prey of pack-hunting raptors.
Artwork: TotalDino, Wikimedia Commons, CC BY 4.0.