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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 Bivalvia
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Order Pterioida
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Family Isognomonidae
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Family Malleidae
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Family Pinnidae
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Family Propeamussiidae
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Family Pteriidae
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Family Pulvinitidae
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