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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 Aspidogastrea
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Order Azygiida
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Order Echinostomida
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Order Monopisthocotylea
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Order Not assigned
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Order Opisthorchiida
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Order Plagiorchiida
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Order Polyopisthocotylea
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Order Strigeata
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Order Strigeatida
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