Cygnus (Olor) Wagler 1832
Aves - Anseriformes - Anatidae
Alternative spelling: Olor
Parent taxon: Cygnus according to K. J. Bickart 1990
See also Brodkorb 1964, Hay 1902, Howard 1972, Livezey and Martin 1988, Mlíkovsky and Svec 1986, Shufeldt 1891 and Wetmore 1956
Sister taxa: Cygnus (Sthenelides), Cygnus atratus, Cygnus buccinator, Cygnus columbianus, Cygnus csakvarensis, Cygnus cygnus, Cygnus equitum, Cygnus falconeri, Cygnus herenthalsi, Cygnus hibbardi, Cygnus matthewi, Cygnus melancoryphus, Cygnus olor, Cygnus paloregonus, Cygnus pristinus, Cygnus sumnerensis
Subtaxa: Cygnus (Olor) mariae Olor (Clangocycnus) Olor (Olor) Olor matthewi
Distribution: found only at Montbrook, FLMNH site LV070 ( of Florida)