Rhynchocyclus
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| Rhynchocyclus | |
|---|---|
 | |
| Western olivaceous flatbill (R. aequinoctialis) | |
Scientific classification  | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Tyrannidae |
| Genus: | Rhynchocyclus Cabanis & Heine, 1860 |
| Type species | |
| Cyclorhynchus olivaceus Desmarest=Platyrhynchos olivaceus Temminck | |
| Species | |
|
5, see text | |
| Synonyms | |
Rhynchocyclus is a genus of passerine birds in the tyrant flycatcher family Tyrannidae.
The genus Rhynchocyclus was introduced in 1860 by the German ornithologists Jean Cabanis and Ferdinand Heine as a replacement name for Cyclorhynchus that had been introduced in 1836 by Carl Jakob Sundevall.[1][2] The name Cyclorhynchus was preoccupied by Cyclorrhynchus that had been introduced in 1829 by Johann Jakob Kaup.[3] The type species is Cyclorhynchus olivaceus Desmarest which is a junior synonym of Platyrhynchos olivaceus Temminck, the eastern olivaceous flatbill.[4][5] The genus name Rhynchocyclus is an anagram of the original name Cyclorhynchus.[6] The latter combines the Ancient Greek κυκλος/kuklos meaning "circle" or "shield" with ῥυγχος /rhunkhos meaning "bill".[7]
The genus contains five species:[8]
| 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 |
.jpg) | Rhynchocyclus pacificus | Pacific flatbill | Colombia and Ecuador. |
.jpg) | Rhynchocyclus olivaceus | Eastern olivaceous flatbill | Brazil, Colombia, French Guiana, Guyana, Suriname, and Venezuela. |
| Rhynchocyclus aequinoctialis | Western olivaceous flatbill | Bolivia, Colombia, Ecuador, Panama, Peru, and Venezuela. |
 | Rhynchocyclus fulvipectus | Fulvous-breasted flatbill | Bolivia, Colombia, Ecuador, Peru, and Venezuela. |
References
- ↑ Cabanis, Jean; Heine, Ferdinand (1860). Museum Heineanum : Verzeichniss der ornithologischen Sammlung des Oberamtmann Ferdinand Heine, auf Gut St. Burchard vor Halberstadt (in German). Vol. 2. Halberstadt: R. Frantz. p. 56.
- ↑ Sundevall, Carl Jakob (1835). "Ornithologiskl System". Kungliga Svenska Vetenskapsakademiens Handlingar. Series 3 (in Swedish). 23 (published 1836): 43-130 [83].
- ↑ Kaup, Johann Jakob (1829). Skizzirte Entwickelungs-Geschichte und natürliches System der europäischen Thierwelt (in German). Darmstadt: Carl Wilhelm Leske. p. 155.
- ↑ Gray, George Robert (1840). A List of the Genera of Birds : with an Indication of the Typical Species of Each Genus. London: R. and J.E. Taylor. p. 31.
- ↑ Traylor, Melvin A. Jr, ed. (1979). Check-List of Birds of the World. Vol. 8. Cambridge, Massachusetts: Museum of Comparative Zoology. pp. 97–98.
- ↑ Jobling, James A. "Rhynchocyclus". The Key to Scientific Names. Cornell Lab of Ornithology. Retrieved 22 May 2025.
- ↑ Jobling, James A. "Cyclorhynchus". The Key to Scientific Names. Cornell Lab of Ornithology. Retrieved 22 May 2025.
- ↑ Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (February 2025). "Tyrant flycatchers". IOC World Bird List Version 15.1. International Ornithologists' Union. Retrieved 22 May 2025.
| Rhynchocyclus | |
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