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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 Bdelloidea
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Family Philodinidae
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Genus Macrotrachela
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Species Macrotrachela quadricornifera
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Infraspecies Macrotrachela quadricornifera ligulata
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Infraspecies Macrotrachela quadricornifera loricata
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Infraspecies Macrotrachela quadricornifera quadricornifera
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Infraspecies Macrotrachela quadricornifera quadricorniferoides
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Infraspecies Macrotrachela quadricornifera rigida
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Infraspecies Macrotrachela quadricornifera scutellata
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