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Eumetazoa (metazoans)- 
    
Bilateria (bilaterally symmetrical animals)- 
    
Deuterostomia (deuterostomes)- 
    
    
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Craniata (craniates)- 
    
    
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Euteleostomi (bony vertebrates)- 
    
    
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Order Characiformes- 
    
    
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Genus Petersius
 
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Petersius conserialis
彼得桂脂鯉
(Also: Kasa; Kynätetra)
