Richardoestesia
Field photograph to come
Richardoestesia
DV-0336
- Lived
- 86 to 66 million years ago, Late Cretaceous
- Diet
- Carnivore
- Group
- Theropods, Dromaeosauridae
- Found in
- Canada, United States, Uzbekistan and Romania
- Named by
- Currie et al. 1990
Field notes
About Richardoestesia
Richardoestesia was a meat-eating theropod that lived in the Late Cretaceous, 86 to 66 million years ago. It belongs to the family Dromaeosauridae.
The Paleobiology Database lists 155 finds of Richardoestesia, from Alberta, Montana and North Dakota. One find has also been reported from Russia. Its fossils come from rocks including the Hell Creek Formation, the Dinosaur Park Formation and the Milk River Formation. It was named by Currie et al. in 1990.
The evidence
Where its fossils were found
Today
75 million years ago
Lived alongside
Found in the same rock formations.
Close relatives
Other members of Dromaeosauridae.
Sources: Paleobiology Database, WikidataNamed in: P. J. Currie, J. K. Rigby, Jr., and R. E. Sloan. 1990. Theropod teeth from the Judith River Formation of southern Alberta, Canada. In K. Carpenter and P. J. Currie (eds.), Dinosaur Systematics: Perspectives and Approaches. Cambridge University Press, Cambridge