Cygnus (Sthenelides) Stejneger 1884 (swan)
Aves - Anseriformes - Anatidae
Alternative spelling: Sthenelides
Parent taxon: Cygnus according to A. Wetmore 1956
See also Howard 1946
Sister taxa: Cygnus (Olor), 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: none
Ecology: volant folivore-granivore
Distribution: there are no occurrences of Cygnus (Sthenelides) in the database