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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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Class Chondrichthyes (rays, sharks, and relatives)
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Order Rajiformes
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Family Potamotrygonidae (River stingrays)
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Genus Potamotrygon
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Species Potamotrygon boesemani -



Species Potamotrygon brachyura (Short-tailed river stingray) -



Species Potamotrygon castexi (Vermiculate river stingray) -



Species Potamotrygon constellata (Thorny river stingray) -



Species Potamotrygon falkneri (Largespot river stingray) -



Species Potamotrygon henlei (Bigtooth river stingray) -



Species Potamotrygon hystrix (Freshwater stingray) -
Species Potamotrygon leopoldi (White-blotched river stingray)
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Species Potamotrygon magdalenae (Magdalena river stingray) -



Species Potamotrygon marinae -
Species Potamotrygon motoro (Black river stingray)
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Species Potamotrygon ocellata (Red-blotched river stingray) -



Species Potamotrygon orbignyi (Anglespot river stingray) -



Species Potamotrygon schroederi (Rosette river stingray) -



Species Potamotrygon schuhmacheri -



Species Potamotrygon scobina (Raspy river stingray) -



Species Potamotrygon signata (Parnaiba river stingray) -



Species Potamotrygon yepezi (Maracaibo river stingray)
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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.



