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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 Anserinae (geese and swans)
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Genus Anser (bean geese)-
Species Anser albifrons (greater white-fronted goose)
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Species Anser anser (greylag goose)
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Species Anser brachyrhynchus (pink-footed goose) -
Species Anser caerulescens (snow goose)
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Species Anser canagicus (Emperor goose)
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Species Anser cygnoides (swan goose)
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Species Anser erythropus (lesser white-fronted goose)
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Species Anser fabalis (bean goose)
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Species Anser indicus (bar-headed goose)
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Species Anser rossii (Ross's goose)
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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.
