Difflugia dujardini  Chardez, 1957

Diagnosis: Shell spherical, slightly longer than wide; neck hardly pronounced, aperture circular with a neat border. Shell organic, with large and small chitinous granules, embedded with amorph and hardly visible platelets. Often, some larger mineral particles or diatoms are present.

Dimensions: Chardez (1957): Shell length 50-60 µm; width 45-55 µm; aperture 23-30 µm (n=5)

Habitat: Freshwater. Hautes Fagnes, Belgium.