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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 Heterostropha
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Family Pyramidellidae
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Genus Sayella
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Species Sayella chesapeakea
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Species Sayella crosseana
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Species Sayella fusca
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Species Sayella hemphili
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Species Sayella hemphillii
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Species Sayella livida
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Species Sayella unifasciata
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