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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 Callianassoidea
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Genus Biffarius
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Genus Callianassa
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Genus Calliapagurops
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Genus Calliax
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Genus Callichirus
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Genus Cheramus
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Genus Corallianassa
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Genus Corallichirus
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Genus Eucalliax
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Genus Gilvossius
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Genus Glypturus
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Genus Lepidophthalmus
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Genus Necallianassa
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Genus Neocallichirus
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Genus Neotrypaea
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Genus Notiax
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Genus Scallasis
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Genus Sergio
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Genus Trypaea
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Callianassidae
ghost shrimps