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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 Arion
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Species Arion ater
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Species Arion circumscriptus
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Species Arion distinctus
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Species Arion fasciatus
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Species Arion hortensis
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Species Arion intermedius
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Species Arion lusitanicus
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Species Arion owenii
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Species Arion rufus
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Species Arion silvaticus
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Species Arion subfuscus
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