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 olor, Cygnus paloregonus, Cygnus pristinus, Cygnus sumnerensis
Subtaxa: Cygnus columbianus bewickii