Calothorax
Calothorax is a genus of birds in the hummingbird family Trochilidae.
| Calothorax | |
|---|---|
![]()  | |
| Lucifer sheartail, Calothorax lucifer | |
| Scientific classification  | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Clade: | Dinosauria | 
| Class: | Aves | 
| Clade: | Strisores | 
| Order: | Apodiformes | 
| Family: | Trochilidae | 
| Tribe: | Mellisugini | 
| Genus: | Calothorax G.R. Gray, 1840  | 
| Type species | |
| Ornisma cyanopogon[1] = Cynanthus lucifer Lesson, 1829  | |
Taxonomy
    
The genus Calothorax was introduced in 1840 by the English zoologist George Robert Gray with the lucifer sheartail as the type species.[2][3] The name combines the Ancient Greek kalos meaning "beautiful" with thōrax meaning "breast".[4]
The genus contains two species:[5]
| Image | Scientific name | Common Name | Distribution | 
|---|---|---|---|
| Calothorax pulcher | Beautiful sheartail | southern-central Mexico. | |
![]()  | Calothorax lucifer | Lucifer sheartail | southwestern United States, from southwest Texas, extreme southwestern New Mexico to extreme southeastern Arizona, and in central and north Mexico. | 
References
    
- "Trochilidae". aviansystematics.org. The Trust for Avian Systematics. Retrieved 2023-08-05.
 - 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. 13.
 - Peters, James Lee, ed. (1945). Check-List of Birds of the World. Vol. 5. Cambridge, Massachusetts: Harvard University Press. p. 134.
 - Jobling, James A. (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. p. 86. ISBN 978-1-4081-2501-4.
 - Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (August 2022). "Hummingbirds". IOC World Bird List Version 12.2. International Ornithologists' Union. Retrieved 15 September 2022.
 
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