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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 Isopoda
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Family Sphaeromatidae
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Genus Agostodina
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Genus Amphoroidea
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Genus Amphoroidella
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Genus Anoplocopea
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Genus Apemosphaera
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Genus Artopoles
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Genus Benthosphaera
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Genus Bilistra
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Genus Botryias
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Genus Caecocassidias
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Genus Caecosphaeroma
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Genus Calcipila
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Genus Campecopea
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Genus Cassidias
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Genus Cassidina
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Genus Cassidinella
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Genus Cassidinidea
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Genus Cassidinopsis
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Genus Ceratocephalus
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Genus Cerceis
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Genus Chitonopsis
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Genus Chitonosphaera
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Genus Cilicaea
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Genus Cilicaeopsis
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Genus Cliamenella
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Genus Clianella
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Genus Cymodetta
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Genus Cymodoce
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Genus Cymodocella
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Genus Cymodopsis
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Genus Discerceis
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Genus Discidina
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Genus Dynamene
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Genus Dynamenella
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Genus Dynameniscus
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Genus Dynamenoides
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Genus Dynamenopsis
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Genus Dynoides
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Genus Eterocerceis
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Genus Exocerceis
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Genus Exosphaeroides
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Genus Exosphaeroma
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Genus Geocerceis
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Genus Gnorimosphaeroma
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Genus Harrieta
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Genus Haswellia
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Genus Hemisphaeroma
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Genus Holotelson
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Genus Ischyromene
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Genus Isocladus
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Genus Juletta
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Genus Kranosphaera
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Genus Lekanesphaera
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Genus Leptosphaeroma
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Genus Margueritta
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Genus Maricoccus
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Genus Monolistra
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Genus Moruloidea
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Genus Naesicopea
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Genus Neonaesa
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Genus Neosphaeroma
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Genus Paracassidina
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Genus Paracassidinopsis
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Genus Paracerceis
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Genus Paracilicaea
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Genus Paradella
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Genus Paradynamene
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Genus Paraimene
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Genus Paraleptosphaeroma
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Genus Parasphaeroma
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Genus Paravireia
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Genus Parisocladus
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Genus Pistorius
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Genus Platycerceis
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Genus Platynympha
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Genus Platysphaera
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Genus Pseudocerceis
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Genus Pseudosphaeroma
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Genus Ptyosphaera
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Genus Scutuloidea
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Genus Sphaeramene
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Genus Sphaeroma
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Genus Sphaeromopsis
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Genus Stathmos
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Genus Striella
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Genus Syncassidina
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Genus Thermosphaeroma
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Genus Tholozodium
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Genus Waiteolana
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Genus Zuzara
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