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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 Neotaenioglossa
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Family Aclididae
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Family Anabathridae
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Family Annulariidae
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Family Aporrhaididae
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Family Assimineidae
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Family Atlantidae
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Family Barleeidae
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Family Barleeiidae
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Family Batillariidae
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Family Bithyniidae
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Family Bursidae
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Family Caecidae
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Family Calyptraeidae
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Family Capulidae
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Family Carinariidae
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Family Cassidae
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Family Cerithiidae
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Family Cerithiopsidae
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Family Cypraeidae
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Family Eatoniellidae
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Family Elachisinidae
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Family Epitoniidae
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Family Eulimidae
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Family Falsicingulidae
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Family Ficidae
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Family Haloceratidae
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Family Hipponicidae
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Family Hydrobiidae
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Family Iravadiidae
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Family Janthinidae
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Family Lamellariidae
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Family Laubierinidae
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Family Litiopidae
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Family Littorinidae
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Family Melanopsidae
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Family Modulidae
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Family Naticidae
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Family Obtortionidae
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Family Ovulidae
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Family Pelycidiidae
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Family Personidae
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Family Pickworthiidae
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Family Pisanianuridae
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Family Planaxidae
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Family Pleuroceridae
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Family Potamididae
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Family Pterotracheidae
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Family Ranellidae
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Family Rastodentidae
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Family Rissoidae
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Family Siliquariidae
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Family Skeneopsidae
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Family Strombidae
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Family Struthiolariidae
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Family Thalassocynidae
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Family Thiaridae
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Family Tonnidae
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Family Tornidae
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Family Triforidae
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Family Triphoridae
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Family Triviidae
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Family Truncatellidae
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Family Turritellidae
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Family Vanikoridae
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Family Velutinidae
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Family Vermetidae
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Family Vitrinellidae
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Family Xenophoridae
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Family Zerotulidae
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