Tachyeres pteneres (flightless steamerduck) | CLASSIFICATION

Kingdom Animalia (animals)
- Eumetazoa (metazoans)
  - Bilateria (bilaterally symmetrical animals)
    - Deuterostomia (deuterostomes)
      - Phylum Chordata (chordates)
        
        Craniata (craniates)
        
        Subphylum Vertebrata (vertebrates)
        
        Superclass Gnathostomata (jawed vertebrates)
        
        Euteleostomi (bony vertebrates)
        
        Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates)
        
        Tetrapoda (tetrapods)
        
        Amniota (amniotes)
        
        Class Reptilia (turtles, snakes, lizards, and relatives)
        
        Class Aves (birds)
        
        Subclass Neognathae (neognath birds)
        
        Infraclass Galloanserae (geese, ducks, quails, pheasants, and relatives)
        
        Order Anseriformes (ducks, geese, swans, and relatives)
        
        Family Anatidae (ducks, geese, and swans)
        
        Subfamily Tadorninae (shelducks, South American geese, and relatives)
        
        Genus Tachyeres (steamer ducks)
        
        Species Tachyeres pteneres (flightless steamerduck)