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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 Quadricoma
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Species Quadricoma crassicoma
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Species Quadricoma crassicomoides
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Species Quadricoma eurycricus
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Species Quadricoma falklandiae
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Species Quadricoma filipjevioides
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Species Quadricoma frontalis
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Species Quadricoma loricata
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Species Quadricoma parva
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Species Quadricoma scanica
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Species Quadricoma vittatus
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