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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 Turbellaria
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Order Prolecithophora
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Family Cylindrostomidae
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Genus Allostoma
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Genus Cylindrostoma
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Genus Cylindrostomum
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Genus Enterostomula
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Genus Hypotrichina
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Genus Vorticeros
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