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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 Strigeatida
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Family Strigeidae
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Genus Apatemon
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Genus Apharyngostrigea
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Genus Cardiocephalus
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Genus Cotylurus
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Genus Dendritobilharzia
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Genus Nematostrigea
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Genus Ophiosoma
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Genus Parastrigea
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Genus Strigea
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