ecofactbook
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species
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Animalia
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Chordata
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Elasmobranchii
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Myliobatiformes
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Potamotrygonidae
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Potamotrygon
Great freshwater stingray
kingdom: Animalia
phylum: Chordata
class: Elasmobranchii
order: Myliobatiformes
family: Potamotrygonidae
genus: Potamotrygon
species: Potamotrygon rex
Where does Potamotrygon rex live?
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