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Difflugia pristis
Difflugia pristis, from Penard, 1902

Difflugia pristis Penard, 1902

Diagnosis: Test neatly ovoid, but more or less elongated, width about 2/3 or 3/5 of the length. Pseudostome circular, relatively small, surrounded by a circle of mineral grains. Nucleus spherical, 12-15 µm with relatively large central nucleolus.

Dimensions: Length 45-65 µm.

Ecology: Freshwater, Switzerland.

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