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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 Arionidae
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Genus Anadenulus
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Genus Ariolimax
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Genus Arion
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Genus Binneya
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Genus Gliabates
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Genus Hemphillia
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Genus Hesperarion
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Genus Magnipelta
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Genus Prophysaon
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Genus Udosarx
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Genus Zacoleus
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