| Casiornis | |
|---|---|
| |
| Rufous casiornis (Casiornis rufus) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Tyrannidae |
| Genus: | Casiornis Des Murs, 1856 |
| Type species | |
| Casiornis typus[1] Des Murs, 1856
| |
Casiornis is a genus of South American birds in the tyrant flycatcher family Tyrannidae.
The genus contains the following two species:[2]
| Image | Common Name | Scientific name | Distribution |
|---|---|---|---|
|
Rufous casiornis | Casiornis rufus | Argentina, Bolivia, mid-central Brazil, Paraguay, and northeastern Uruguay |
 |
Ash-throated casiornis | Casiornis fuscus | northeastern Brazil. |
- ^ "Tyrannidae". aviansystematics.org. The Trust for Avian Systematics. Retrieved 2023-07-16.
- ^ Gill, Frank; Donsker, David, eds. (2019). "Tyrant flycatchers". World Bird List Version 9.2. International Ornithologists' Union. Retrieved 1 July 2019.