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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 Neotaenioglossa
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Family Rissoidae
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Genus Powellisetia
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Species Powellisetia bilirata
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Species Powellisetia crassilabrum
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Species Powellisetia gradata
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Species Powellisetia lineata
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Species Powellisetia microstriata
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Species Powellisetia porcellana
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Species Powellisetia porcellanoides
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Species Powellisetia retusa
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Species Powellisetia subgradata
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Species Powellisetia subtenuis
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Species Powellisetia tenuisculpta
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Species Powellisetia unicarinata
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