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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 Galatheoidea
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Genus Euceramus
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Genus Megalobrachium
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Genus Neopisosoma
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Genus Pachycheles
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Genus Parapetrolisthes
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Genus Petrocheles
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Genus Petrolisthes
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Genus Polyonyx
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Genus Porcellana
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