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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Arthropoda (arthropods)
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Crustacea (shrimps, crabs, lobsters, water fleas, and relatives)
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Class Maxillopoda
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Class Malacostraca
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Order Tanaidacea
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Superfamily Paratanaoidea
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Family Agathotanaidae
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Family Anarthruridae
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Family Colletteidae
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Family Leptocheliidae
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Family Leptognathiidae
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Family Not assigned
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Family Nototanaidae
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Family Paratanaidae
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Family Pseudotanaidae
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Family Pseudozeuxidae
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Family Tanaellidae
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