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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 Archaeogastropoda
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Superfamily Fissurelloidea
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Family Fissurellidae
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Genus Cornisepta
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Genus Cranopsis
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Genus Diodora
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Genus Emarginula
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Genus Fissurella
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Genus Fissurellidea
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Genus Fissurisepta
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Genus Hemitoma
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Genus Laevinesta
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Genus Leurolepas
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Genus Lucapina
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Genus Lucapinella
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Genus Megatebennus
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Genus Megathura
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Genus Monodilepas
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Genus Montfortula
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Genus Nesta
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Genus Puncturella
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Genus Rimula
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Genus Scelidotoma
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Genus Scutus
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Genus Tugali
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Genus Zeidora
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