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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 Flosculariaceae
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Family Flosculariidae
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Genus Ptygura
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Species Ptygura agassizi
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Species Ptygura barbata
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Species Ptygura beauchampi
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Species Ptygura brachiata
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Species Ptygura brevis
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Species Ptygura cristata
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Species Ptygura crystallina
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Species Ptygura elsteri
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Species Ptygura furcillata
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Species Ptygura intermedia
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Species Ptygura kostei
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Species Ptygura libera
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Species Ptygura linguata
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Species Ptygura longicornis
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Species Ptygura melicerta
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Species Ptygura mucicola
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Species Ptygura pedunculata
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Species Ptygura pilula
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Species Ptygura rotifer
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Species Ptygura seminatans
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Species Ptygura spongicola
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Species Ptygura stephanion
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Species Ptygura stygis
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Species Ptygura tacita
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Species Ptygura tihanyensis
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Species Ptygura tridorsicornis
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Species Ptygura velata
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Species Ptygura wilsonii
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