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Eumetazoa (metazoans)- 
    
Bilateria (bilaterally symmetrical animals)- 
    
Deuterostomia (deuterostomes)- 
    
    
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Craniata (craniates)- 
    
    
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Order Rajiformes- 
    
    
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Genus Paratrygon
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Genus Plesiotrygon
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Genus Potamotrygon
 
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