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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 Rodentia (rodents)
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Suborder Hystricomorpha (hystricognath rodents)
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Infraorder Hystricognathi (hystricognath rodents)
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Family Erethizontidae (New World porcupines)-
Subfamily Erethizontinae
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Genus Sphiggurus (hairy porcupines)-
Species Sphiggurus ichillus (streaked dwarf porcupine) -
Species Sphiggurus insidiosus (Bahia hairy dwarf porcupine)
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Species Sphiggurus melanurus (black-tailed hairy dwarf porcupine)
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Species Sphiggurus mexicanus (Mexican hairy dwarf porcupine)
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Species Sphiggurus pruinosus (frosted hairy dwarf porcupine)
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Species Sphiggurus roosmalenorum (Roosmalen's dwarf porcupine)
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Species Sphiggurus spinosus (Paraguay hairy dwarf porcupine)
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Species Sphiggurus vestitus (brown hairy dwarf porcupine)
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Species Sphiggurus villosus (orange-spined hairy dwarf porcupine)
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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.
