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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Rotifera (wheel or whirling animals)
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Class Eurotatoria
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Order Flosculariaceae
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Family Conochilidae
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Family Flosculariidae
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Family Hexarthridae
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Family Testudinellidae
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Family Trochosphaeridae
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