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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Chaetognatha (arrow worms)
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Class Not assigned
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Order Not assigned
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Family Sagittidae
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Genus Mesosagitta
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Species Mesosagitta formosa
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Species Mesosagitta minima
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Species Mesosagitta neodecipiens
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Species Mesosagitta sibogae
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Species Mesosagitta slunini
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Species Mesosagitta velox
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