Rhynchocyclus
Rhynchocyclus is a genus of tyrant flycatchers. Established by Jean Cabanis in 1836.
Species
It contains four species:| Image | Scientific name | Common Name | Distribution |
| Rhynchocyclus brevirostris | Eye-ringed flatbill | Belize, Colombia, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, and Panama, with a slight incursion into Colombia | |
| Rhynchocyclus pacificus | Pacific flatbill | Colombia and Ecuador. | |
| Rhynchocyclus olivaceus | Olivaceous flatbill | Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Panama, Peru, Suriname, and Venezuela. | |
| Rhynchocyclus fulvipectus | Fulvous-breasted flatbill | Bolivia, Colombia, Ecuador, Peru, and Venezuela. |
The name Rhynchocyclus is a combination of the Greek words rhunkhos, meaning "bill" and kuklos, meaning "circle" or "shield".