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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 Cephalopoda
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Order Octopoda
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Family Opisthoteuthidae
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Genus Opisthoteuthis
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Species Opisthoteuthis agassizii
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Species Opisthoteuthis californiana
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Species Opisthoteuthis depressa
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Species Opisthoteuthis extensa
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Species Opisthoteuthis grimaldii
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Species Opisthoteuthis japonica
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Species Opisthoteuthis medusoides
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Species Opisthoteuthis persephone
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Species Opisthoteuthis philipii
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Species Opisthoteuthis pluto
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Species Opisthoteuthis vossi
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