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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 Goniodorididae
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Genus Okenia
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Species Okenia angelensis
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Species Okenia ascidicola
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Species Okenia aspera
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Species Okenia cupella
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Species Okenia elegans
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Species Okenia impexa
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Species Okenia leachii
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Species Okenia modesta
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Species Okenia plana
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Species Okenia pulchella
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Species Okenia quadricornis
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Species Okenia sapelona
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Species Okenia vancouverensis
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Species Okenia zoobotryon
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