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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 Nudibranchia
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Family Tergipedidae
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Genus Catriona
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Species Catriona aurantia
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Species Catriona columbiana
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Species Catriona gymnota
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Species Catriona maua
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Species Catriona oba
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Species Catriona rickettsi
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