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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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Synapsida (synapsids)
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Class Mammalia (mammals)
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Subclass Theria (Therian mammals)
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Infraclass Eutheria (placental mammals)
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Order Soricomorpha (insectivores)-
Family Soricidae (shrews)
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Subfamily Soricinae (red-toothed shrews)
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Tribe Anourosoricini (mole shrews) -
Tribe Blarinellini (Asiatic short-tailed shrews)
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Tribe Blarinini (short-tailed shrews)
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Tribe Nectogalini (Old World water shrews, brown-toothed shrews, and relatives)
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Tribe Notiosoricini (North American gray shrews)
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Tribe Soricini (long-tailed shrews)
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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.
