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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 Cyclopoida
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Family Cyclopidae
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Genus Halicyclops
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Species Halicyclops aberrans
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Species Halicyclops antiguaensis
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Species Halicyclops bowmani
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Species Halicyclops brevispinosus
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Species Halicyclops caneki
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Species Halicyclops cenoticola
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Species Halicyclops clarkei
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Species Halicyclops coulli
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Species Halicyclops exiguus
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Species Halicyclops fosteri
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Species Halicyclops herbsti
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Species Halicyclops hurlberti
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Species Halicyclops incognitus
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Species Halicyclops laciniatus
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Species Halicyclops laminifer
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Species Halicyclops maculatus
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Species Halicyclops magniceps
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Species Halicyclops neglectus
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Species Halicyclops oryzanus
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Species Halicyclops reidae
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Species Halicyclops similis
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Species Halicyclops tetracanthus
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Species Halicyclops venezuelaensis
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Species Halicyclops ytororoma
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