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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 Portunoidea
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Genus Arenaeus
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Genus Bathynectes
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Genus Callinectes
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Genus Carcinus
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Genus Carupa
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Genus Catoptrus
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Genus Charybdis
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Genus Coelocarcinus
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Genus Cronius
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Genus Euphylax
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Genus Goniosupradens
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Genus Laleonectes
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Genus Libystes
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Genus Liocarcinus
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Genus Lissocarcinus
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Genus Lupocyclus
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Genus Macropipus
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Genus Nectocarcinus
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Genus Ovalipes
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Genus Parathranites
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Genus Podophthalmus
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Genus Polybius
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Genus Portunus
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Genus Raymanninus
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Genus Scylla
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Genus Thalamita
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Genus Thalamitoides
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Portunidae
swimming crabs