Anseriformes
Phylum: Chordata
Subphylum: Vertebrata
Class: Aves
Subclass: Neornithes (2,057 genera / 9,672 species)
Infraclass: Neoaves (2043 genera / 9,615 species)
Parvclass: Galloanserae
Superorder: Anserimorphae
Order: Anseriformes (48/161 – screamers, magpie goose, whistling ducks, stiff-tailed ducks, swans, geese, typical ducks)
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Infraorder: Anhimides
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Superfamily: Anhimoidea
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Family Anhimidae: (2/3 – screamers)
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Family: Anseranatidae (1/1 – magpie goose)
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Family: Dendrocygnidae (2/9 – whistling ducks)
Family: Anatidae (43/148)
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Subfamily: Oxyurinae (stiff-tailed ducks)
Subfamily: Stictonettinae (stictonetta)
Subfamily: Cygninae (swans)
Subfamily: Anatinae (typical ducks, geese)
