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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 Echimyidae (spiny rats)-
Subfamily Eumysopinae (primitive spiny rats)
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Genus Proechimys (spiny rats)
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Species Proechimys brevicauda (Bolivian spiny rat) -
Species Proechimys canicollis (Colombian spiny rat)
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Species Proechimys chrysaeolus (Boyaca spiny rat)
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Species Proechimys cuvieri (Cuvier's spiny rat)
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Species Proechimys decumanus (Pacific spiny rat)
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Species Proechimys echinothrix (stiff-spine spiny-rat)
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Species Proechimys gardneri (Gardner's spiny-rat)
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Species Proechimys goeldii (Goeldi's spiny rat)
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Species Proechimys guairae (Quaira spiny rat)
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Species Proechimys guyannensis (Cayenne spiny rat)
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Species Proechimys hoplomyoides (Guyanan spiny rat)
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Species Proechimys kulinae (Kulina spiny-rat)
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Species Proechimys longicaudatus (long-tailed spiny rat)
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Species Proechimys magdalenae (Magdalena spiny rat)
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Species Proechimys mincae (Minca spiny rat)
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Species Proechimys oconnelli (O'Connell's spiny rat)
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Species Proechimys pattoni (Patton's spiny-rat)
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Species Proechimys poliopus (gray-footed spiny rat)
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Species Proechimys quadruplicatus (Napo spiny rat)
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Species Proechimys roberti (Roberto's spiny-rat)
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Species Proechimys semispinosus (Gorgona spiny rat)
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Species Proechimys simonsi (Hendee's spiny rat)
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Species Proechimys steerei (Steere's spiny rat)
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Species Proechimys trinitatus (Trinidad spiny-rat)
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Species Proechimys urichi (Sucre spiny 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.
