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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Platyhelminthes (flatworms)
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Class Turbellaria
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Order Proseriata
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Family Monocelididae
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Genus Promonotus
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Species Promonotus arcassonensis
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Species Promonotus brevirostris
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Species Promonotus erinacea
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Species Promonotus groenlandicus
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Species Promonotus hyrcanus
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Species Promonotus longirostris
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Species Promonotus marci
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Species Promonotus orientalis
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Species Promonotus orthocirrus
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Species Promonotus ponticus
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Species Promonotus priapuliformis
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Species Promonotus schultzei
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Species Promonotus sphaerobursa
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Species Promonotus spinosissimus
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Species Promonotus villacea
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Species Promonotus wilsoni
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