(Tityridae; Ϯ Green-backed Becard P. viridis) Gr. παχυς pakhus  stout, thick; ῥαμφος rhamphos  bill; "rostro vix brevi, crasso, alto, rotundato-convexo, ad frontem largo, apice dentato" (von Spix 1826) (see Becardia); "PACHYRAMPHUS, n.  Pachyrhynchus, Spix.  Psaris, Cuv.   P. Cuvieri, (Swains.) n., Zool. Ill., t. 32." (G. Gray 1840); "The generic name of Pachyrhynchus Spix, is changed by Mr. G. R. Gray, to Pachyramphus, as the former word is used in entomology" (Darwin 1841); "Pachyramphus G. R. Gray, 1840, List Genera Birds, p. 31. Type, by original designation, Psaris Cuvierii Swainson = Tityra viridis Vieillot." (Snow in Peters 1979, VIII, 229).
Var. Pachyrhamphus.
Synon. Bathmidurus, Berlepschia, Callopsaris, Chloropsaris, Climacocercus, Hadrostomus, Pachyrhynchus, Platypsaris, Zetetes.

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from on 24 January 2019).