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Kingdom Animalia (animals)
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Eumetazoa (metazoans)-
Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Phylum Chordata (chordates)
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Craniata (craniates)
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Subphylum Vertebrata (vertebrates)
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Superclass Gnathostomata (jawed vertebrates)
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Euteleostomi (bony vertebrates)
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Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates)
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Tetrapoda (tetrapods)
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Amniota (amniotes)
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Class Reptilia
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Class Aves (birds)
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Subclass Neognathae (neognath birds)
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Infraclass Galloanserae (geese, ducks, quails, pheasants, and relatives)
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Order Anseriformes (ducks, geese, swans, and relatives)
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Family Anatidae (ducks, geese, and swans)
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Subfamily Tadorninae (shelducks, South American geese, and relatives)-
Genus Tachyeres (steamer ducks)
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Species Tachyeres brachypterus (Falkland Island steamer duck) -
Species Tachyeres leucocephalus (Chubut steamerduck)
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Species Tachyeres patachonicus (flying steamer duck)
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Species Tachyeres pteneres (flightless steamerduck)
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Confused by a class within a class or an order within an order? Please see our brief essay.
Scientific names for Aves taxonomy (family and below) are from The Howard and Moore Complete Checklist of the Birds of the World, Princeton University Press, copyright 2003. Used by permission.
