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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 Notaspidea
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Family Pleurobranchidae
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Genus Bathyberthella
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Genus Berthella
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Genus Berthellina
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Genus Gymnotoplax
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Genus Pleurobranchaea
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Genus Pleurobranchus
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