Megacephalus

(syn. Notharchus Ϯ Buff-bellied Puffbird N. swainsoni) Gr. μεγας megas  great; -κεφαλος -kephalos  -headed  < κευαλη kephalē  head; "Megacephalus bitorquatus W.Bertoni (gen. n.)  ...  Es ave singular, que participa de varias familias, y se aparta de todas, por su enorme cabeza y pico" (Bertoni 1901); "Megacephalus W. Bertoni, An. Cient. Paraguayos (1), no. 1, 1901, p. 39. Type, by monotypy, Megacephalus bitorquatus W. Bertoni = Bucco swainsoni G. R. Gray. Not Megacephalus Fitzinger, 1843." (Peters 1948, VI, 10).

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 www.hbw.com on 18 January 2019).