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Fábio N. Manfredini: Yellow-spotted black Amazon stingray "Potamotrygon leopoldi"
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Fábio N. Manfredini: Ocellate river stingray "Potamotrygon motoro" Arraia Pintada
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Fábio N. Manfredini: Tiger stingray "Potamotrygon menchacai"
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Fábio N. Manfredini: Porcupine river stingray stingray "Potamotrygon hystrix" Arraia Manchada
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Fábio N. Manfredini: Stingray