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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Platyhelminthes (flatworms)
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Class Trematoda
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Order Azygiida
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Family Hemiuridae
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Genus Aponurus
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Species Aponurus argentini
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Species Aponurus californicus
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Species Aponurus intermedius
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Species Aponurus lagunculus
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Species Aponurus pacificus
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Species Aponurus trachinoti
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