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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 Basommatophora
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Family Planorbidae
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Genus Amphigyra
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Genus Armiger
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Genus Biomphalaria
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Genus Drepanotrema
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Genus Glyptophysa
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Genus Gyraulus
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Genus Helisoma
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Genus Menetus
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Genus Neoplanorbis
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Genus Pecosorbis
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Genus Planorbarius
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Genus Planorbella
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Genus Planorbis
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Genus Planorbula
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Genus Promenetus
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Genus Segmentina
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Genus Vorticifex
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