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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Deuterostomia (deuterostomes)
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Craniata (craniates)
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Euteleostomi (bony vertebrates)
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Order Cypriniformes
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Genus Diptychus
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Species Diptychus sewerzowi (Осман Cеверцова )
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Diptychus sewerzowi
Осман Cеверцова 
(Also: Северцовтун кок чары ; 西氏重唇魚; Osman Severcovuv)