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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Class Adenophorea
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Subclass Chromadoria
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Order Desmodorida
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Family Comesomatidae
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Genus Mesonchium
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Species Mesonchium angelae
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Species Mesonchium janetae
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Species Mesonchium pellucidum
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Species Mesonchium poriferum
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Species Mesonchium punctatum
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