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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 Hydrobiidae
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Genus Tryonia
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Species Tryonia adamantina
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Species Tryonia aequicostata
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Species Tryonia alamosae
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Species Tryonia angulata
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Species Tryonia brevissima
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Species Tryonia brunei
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Species Tryonia cheatumi
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Species Tryonia circumstriata
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Species Tryonia clathrata
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Species Tryonia diaboli
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Species Tryonia elata
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Species Tryonia ericae
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Species Tryonia gilae
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Species Tryonia imitator
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Species Tryonia kosteri
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Species Tryonia margae
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Species Tryonia protea
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Species Tryonia quitobaquitae
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Species Tryonia robusta
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Species Tryonia rowlandsi
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Species Tryonia salina
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Species Tryonia variegata
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