Jose G. Tello, Robert G. Moyle, Daniel J. Marchese, Joel Cracraft (2009). Phylogeny and phylogenetic classification of the tyrant flycatchers, cotingas, manakins, and their allies (Aves: Tyrannides). Cladistics (25): 1-39. ISSN 0748-3007. doi:10.1111/j.1096-0031.2009.00254.x
D. W. Winkler, S. M. Billerman und I. J. Lovette (2020). Tityras and Allies (Tityridae), version 1.0. In Birds of the World (S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. doi: 10.2173/bow.tityri1.01
Billerman, S. M. (2020). Sharpbill, Royal Flycatcher, and Allies (Oxyruncidae), version 1.0. In Birds of the World (S. M. Billerman, B. K. Keeney, P. G. Rodewald, and T. S. Schulenberg, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. doi: 10.2173/bow.oxyrun1.01
