Cygnopsis

(syn. Anser Ϯ Swan Goose A. cygnoides) Genus Cygnus Bechstein, 1803, swan; Gr. οψις opsis  appearance; "C. Subgen. CYGNOPSIS NOB.  Cygnus Cuv. et Stephens e.p.  Rostrum quoad formam cygnoideum, sed lamellarum maxillae et dentium mandibulae ratione anserinum. Collum satis elongatum. Pedes breviusculi. Species huic sectioni inserendae transitum quodammodo ab Anseribus ad Cygnos faciunt eamque ob causam mox ad Anseres, mox ad Cygnos sunt relatae. Si rostri armaturam, quam characteristicam putarem, respicimus, Anserum sectionem constituere debent. Huc referendi Anser cygnoides et Anser canadensis Auct." (Brandt 1836); "Cygnopsis J. F. Brandt, Descr. et Icon. Anim. Ross. Nov. Aves, fasc. 1, 1836, p. 5. Type, by subsequent designation, Anas cygnoid[es] Linné. (Gray, List Gen. Bds., 1840, p. 73.)" (Peters 1931, 1, 148).

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).