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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 Perciformes
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Genus Patagonotothen
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Patagonotothen sima
扁鼻南美南极鱼