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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Lophophorates (lophophorates)
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Order Cheilostomata
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Suborder Ascophora
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Family Celleporidae
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Genus Costazia
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Species Costazia ignota
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Species Costazia nordenskjoldi
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Species Costazia procumbens
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Species Costazia robertsoniae
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Species Costazia surcularis
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Species Costazia ventricosa
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