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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 Ostreoida
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Family Anomiidae
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Family Dimyidae
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Family Gryphaeidae
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Family Ostreidae
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Family Pectinidae
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Family Plicatulidae
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Family Propeamussidae
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Family Spondylidae
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Family Syncyclonemidae
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