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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 Helicarionidae
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Genus Advena
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Genus Allenoconcha
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Genus Buffetia
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Genus Coneuplecta
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Genus Cucullarion
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Genus Deliciola
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Genus Delinitesta
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Genus Dendrolamellaria
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Genus Dendronitor
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Genus Dignamoconcha
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Genus Dolapex
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Genus Echonitor
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Genus Eclipsena
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Genus Epiglypta
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Genus Eungarion
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Genus Expocystis
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Genus Fanulena
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Genus Fastosarion
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Genus Greenwoodoconcha
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Genus Gudeoconcha
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Genus Helicarion
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Genus Howearion
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Genus Innesoconcha
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Genus Iredaleoconcha
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Genus Kermarion
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Genus Kieconcha
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Genus Liardetia
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Genus Lutilodix
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Genus Malandena
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Genus Mathewsoconcha
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Genus Melloconcha
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Genus Melocystis
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Genus Mysticarion
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Genus Nancibella
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Genus Nevelasta
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Genus Nitor
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Genus Parmacochlea
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Genus Parmavitrina
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Genus Parmellops
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Genus Peloparion
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Genus Periclocystis
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Genus Pittoconcha
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Genus Pravonitor
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Genus Queridomus
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Genus Quintalia
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Genus Roybellia
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Genus Sodaleta
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Genus Tarocystis
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Genus Theskelomensor
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Genus Thularion
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Genus Turrisitala
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Genus Westracystis
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Genus Wilhelminaia
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