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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 Testudinellidae
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Genus Testudinella
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Species Testudinella brycei
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