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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 Poecilostomatoida
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Family Anthessiidae
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Genus Anthessius
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Species Anthessius fitchi
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Species Anthessius groenlandicus
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Species Anthessius hawaiiensis
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Species Anthessius leptostylis
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Species Anthessius lighti
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Species Anthessius navanacis
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Species Anthessius nortoni
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Species Anthessius obtusispina
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