ecofactbook
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species
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Animalia
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Mollusca
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Gastropoda
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Hygrophila
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Planorbidae
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Planorbula
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Planorbula armigera
Planorbula campestris
Planorbula jenksii
Planorbula nebrascensis
Planorbula powelli
Planorbula smithii
Planorbula vulcanata
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Planorbula armigera