Outline: a typical ornithopod
Huallasaurus
"duck lizard"
- Lived
- 72 to 66 million years ago, Late Cretaceous
- Diet
- Herbivore
- Group
- Ornithopods, Hadrosauridae
- Found in
- Argentina
- Named by
- Rozadilla et al. 2021
Where its fossils were found
The evidence
Today
70 million years ago
Field notes
About Huallasaurus
What it was like
Huallasaurus was a duckbill, a plant eater related to Kritosaurus. It is known from part of a skeleton.
Its world
It lived about 72 to 66 million years ago, near the end of the Cretaceous, in what is now Argentina. It comes from the Los Alamitos Formation.
How it was found
Rozadilla and colleagues named Huallasaurus in 2021, for bones first placed in Kritosaurus.
Close relatives
Other members of Hadrosauridae
Sources: WikidataNamed in: S. Rozadilla, F. Brissón-Egli, and F. L. Agnolín, A. M. Aranciaga-Rolando, F. E. Novas. 2021. A new hadrosaurid (Dinosauria: Ornithischia) from the Late Cretaceous of northern Patagonia and the radiation of South American hadrosaurids. Journal of Systematic Palaeontology 19(17):1207-1235