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Kingdom Animalia (animals)
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Eumetazoa (metazoans)
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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 Rodentia (rodents)
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Suborder Hystricomorpha (hystricognath rodents)
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Infraorder Hystricognathi (hystricognath rodents)
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Family Octodontidae (degus, rock rats, and viscacha rats)
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Genus Aconaemys (rock rats)
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Genus Octodon (degus)
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Genus Octodontomys (long-tailed octodons and mountain degu)
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Genus Octomys (viacacha rat)
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Genus Pipanacoctomys -



Genus Salinoctomys -
Genus Spalacopus (coruro)
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Genus Tympanoctomys (plains viscacha rat)
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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.



