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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 Buccinidae
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Genus Penion
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Species Penion benthicolus
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Species Penion chathamensis
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Species Penion cuvierianus
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Species Penion fairfieldae
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Species Penion ormesi
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Species Penion sulcatus
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