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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Rotifera (wheel or whirling animals)
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Class Eurotatoria
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Order Ploima
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Family Brachionidae
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Genus Keratella
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Species Keratella ahlstromi
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Species Keratella americana
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Species Keratella armadura
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Species Keratella australis
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Species Keratella canadensis
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Species Keratella cochlearis
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Species Keratella crassa
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Species Keratella cruciformis
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Species Keratella earlinae
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Species Keratella edmondsoni
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Species Keratella eichwaldi
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Species Keratella hiemalis
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Species Keratella irregularis
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Species Keratella javana
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Species Keratella kostei
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Species Keratella lenzi
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Species Keratella maliensis
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Species Keratella mexicana
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Species Keratella mixta
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Species Keratella mongoliana
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Species Keratella morenoi
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Species Keratella nhamundaiensis
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Species Keratella ona
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Species Keratella paludosa
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Species Keratella procurva
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Species Keratella quadrata
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Species Keratella reducta
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Species Keratella sancta
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Species Keratella serrulata
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Species Keratella shieli
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Species Keratella sinensis
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Species Keratella slacki
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Species Keratella taksinensis
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Species Keratella taurocephala
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Species Keratella tecta
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Species Keratella testudo
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Species Keratella thomassoni
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Species Keratella ticinensis
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Species Keratella trapezoida
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Species Keratella tropica
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Species Keratella valdiviensis
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Species Keratella valga
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Species Keratella wangi
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Species Keratella yamana
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Species Keratella zhugeae
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