Outline: a typical theropod
Guemesia
Type species Guemesia ochoai
- Lived
- 84 to 66 million years ago, Late Cretaceous
- Diet
- Carnivore
- Group
- Theropods, Abelisauridae
- Found in
- Argentina
- Named by
- Agnolín et al. 2021
Where its fossils were found
The evidence
Today
75 million years ago
Field notes
About Guemesia
What it was like
Guemesia was an abelisaur, a predator with a short skull and tiny arms. It is known from a braincase. Its skull roof had many small openings, and it had no horns.
Its world
It lived in the Late Cretaceous, in what is now Argentina. It comes from the Los Blanquitos Formation.
How it was found
Agnolín and colleagues named Guemesia in 2021. The type species is Guemesia ochoai. The name honors an Argentine national hero.
Lived alongside
Found in the same rock formations
Close relatives
Other members of Abelisauridae
Sources: WikidataNamed in: F. L. Agnolín, M. A. Cerroni, and A. Scanferla, A. Goswami, A. Paulina-Carabajal, T. Halliday, A. R. Cuff, S. Reuil. 2021. First definitive abelisaurid theropod from the Late Cretaceous of Northwestern Argentina. Journal of Vertebrate Paleontology 41(4):e2202348:1-17