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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 Leptocheliidae
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Genus Hargeria
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Genus Heterotanais
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Genus Heterotanoides
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Genus Leptochelia
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Genus Mesotanais
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Genus Pseudoleptochelia
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Genus Pseudonototanais
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