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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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Order Pedunculata
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Family Anelasmatidae
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Family Calanticidae
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Family Eolepadidae
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Family Heteralepadidae
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Family Iblidae
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Family Koleolepadidae
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Family Lithotryidae
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Family Oxynaspididae
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Family Poecilasmatidae
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Family Pollicipedidae
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Family Scalpellidae
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