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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Mollusca (clams, snails, squids, and relatives)
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Class Gastropoda
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Order Neogastropoda
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Family Columbellidae
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Genus Costoanachis
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Species Costoanachis avara
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Species Costoanachis catenata
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Species Costoanachis floridana
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Species Costoanachis lafresnayi
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Species Costoanachis semiplicata
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Species Costoanachis similis
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Species Costoanachis sparsa
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