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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 Arietellidae
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Genus Arietellus
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Species Arietellus aculeatus
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Species Arietellus armata
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Species Arietellus giesbrechti
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Species Arietellus pacificus
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Species Arietellus pavoninus
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Species Arietellus plumifer
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Species Arietellus setosus
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Species Arietellus simplex
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