(syn. Selenidera Ϯ Yellow-eared Toucanet S. spectabilis) Genus Ramphastos Linnaeus, 1758, toucan; Gr. -οιδης -oidēs  resembling; "III. Genus SELENIDERA, Gould.  ...  3. Ramphastoides.    7. SELENIDERA SPECTABILIS, Cassin.  ...  The largest species of this genus, and with the bill larger and wider vertically" (Cassin 1867).  Var. Rhamphastoides.

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 19 January 2019).