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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 Calyptraeidae
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Genus Crucibulum
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Species Crucibulum auricula
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Species Crucibulum concameratum
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Species Crucibulum cyclopium
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Species Crucibulum lignarium
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Species Crucibulum monticulus
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Species Crucibulum personatum
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Species Crucibulum scutellatum
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Species Crucibulum serratum
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Species Crucibulum spinosum
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Species Crucibulum striatum
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Species Crucibulum subactum
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Species Crucibulum umbrella
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