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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 Anaspidea
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Family Notarchidae
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Genus Petalifera
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Species Petalifera petalifera
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Species Petalifera ramosa
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