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Gudenå v. Ålegods Bakke
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Salten Sø
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Shells of Fresh-Water Mussel (Unio crassidens). Mississippi River.
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Lampsilis luteolus Lam. Female. Shell produced at posterior base.
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Kidney-shell, Ptychobrancchus phaseolus; marsupium occupying entire lower border of outer gills and much folded.
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