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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 Desmoscolecida
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Family Desmoscolecidae
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Genus Calligyrus
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Genus Demanema
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Genus Desmoscolex
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Genus Greeffiella
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Genus Hapalomus
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Genus Paratricoma
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Genus Pareudesmoscolex
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Genus Progreeffiella
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Genus Protodesmoscolex
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Genus Prototricoma
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Genus Protricoma
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Genus Protricomoides
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Genus Quadricoma
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Genus Tricoma
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