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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Class Adenophorea
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Subclass Chromadoria
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Order Araeolaimida
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Family Leptolaimidae
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Genus Acontiolaimus
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Genus Alaimella
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Genus Anguilloides
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Genus Anguinoides
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Genus Anomonema
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Genus Anonchus
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Genus Anthonema
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Genus Antomicron
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Genus Aphanolaimus
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Genus Aplectus
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Genus Assia
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Genus Bathyonchus
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Genus Camacolaimoides
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Genus Camacolaimus
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Genus Chronogaster
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Genus Cricolaimus
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Genus Cynura
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Genus Dagda
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Genus Deontolaimus
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Genus Diodontolaimus
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Genus Donsinemella
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Genus Halaphanolaimus
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Genus Ionema
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Genus Kreisonema
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Genus Leptolaimoides
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Genus Leptolaimus
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Genus Necolaimus
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Genus Nemella
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Genus Neurella
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Genus Onchium
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Genus Paradoxolaimus
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Genus Paraphanolaimus
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Genus Paraplectonema
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Genus Plectolaimus
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Genus Procamacolaimus
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Genus Rhadinema
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Genus Stephanolaimus
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