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Difflugia manicata
Difflugia manicata, test and nucleus – after Penard, 1902

Difflugia manicata  Penard, 1902

Diagnosis: Test ovoid, covered with neatly arranged mineral grains. A broad region (1/3 of the shell) of the anterior part of the shell is covered with much larger particles. Aperture small and circular. Nucleus with central compact nucleolus with small lacunae.

Dimensions: Length 60-88 µm, width 37-54 µm, apertural diameter 12-20 µm, nucleus 13 µm.

Ecology: Freshwater. In sediment. Switzerland.

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