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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 Apseudoidea
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Family Apseudellidae
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Family Apseudidae
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Family Gigantapseudidae
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Family Kalliapseudidae
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Family Metapseudidae
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Family Pagurapseudidae
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Family Parapseudidae
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Family Sphyrapidae
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Family Tanzanapseudidae
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Family Whiteleggiidae
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