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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 Littorinidae
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Genus Algamorda
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Genus Aquilonaria
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Genus Austrolittorina
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Genus Cenchritis
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Genus Echininus
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Genus Echinolittorina
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Genus Haloconcha
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Genus Lacuna
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Genus Laevilitorina
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Genus Littoraria
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Genus Littorina
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Genus Nodilittorina
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Genus Risellopsis
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Genus Tectarius
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Genus Tectininus
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