Cygnus columbianus Ord 1815 (tundra swan)
PaleoDB taxon number: 368043
Alternative combinations: Anas columbianus, Olor columbianus
Belongs to Cygnus according to J. F. Clements et al. 2017
Sister taxa: Cygnus (Olor), Cygnus atratus, Cygnus bilinicus, Cygnus buccinator, Cygnus csakvarensis, Cygnus cygnus, Cygnus equitum, Cygnus falconeri, Cygnus herenthalsi, Cygnus hibbardi, Cygnus matthewi, Cygnus paloregonus, Cygnus pristinus, Cygnus sumnerensis
Subtaxa: Cygnus columbianus bewickii