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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 Stylommatophora
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Family Polygyridae
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Genus Allogona
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Genus Appalachina
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Genus Ashmunella
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Genus Cryptomastix
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Genus Daedalochila
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Genus Euchemotrema
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Genus Fumonelix
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Genus Hochbergellus
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Genus Inflectarius
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Genus Linisa
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Genus Lobosculum
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Genus Mesodon
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Genus Millerelix
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Genus Neohelix
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Genus Patera
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Genus Polygyra
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Genus Praticolella
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Genus Stenotrema
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Genus Trilobopsis
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Genus Triodopsis
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Genus Vespericola
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Genus Webbhelix
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Genus Xolotrema
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