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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 Calanoida
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Family Stephidae
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Genus Stephos
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Species Stephos arcticus
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Species Stephos deichmannae
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Species Stephos fultoni
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Species Stephos lamellatus
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Species Stephos longipes
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Species Stephos minor
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Species Stephos pacificus
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Species Stephos rustadi
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Species Stephos scotti
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