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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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Class Malacostraca
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Order Decapoda
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Superfamily Majoidea
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Genus Cyclax
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Genus Eurynome
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Genus Jacquinotia
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Genus Leptomithrax
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Genus Lissa
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Genus Macropodia
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Genus Maia
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Genus Maja
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Genus Naxia
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Genus Notomithrax
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Genus Schizophroida
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Genus Schizophrys
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Genus Shizophroida
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Genus Teratomaia
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Genus Thacanophrys
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Genus Thacanophyrys
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Majidae
araignées de mer, spider crabs