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Difflugia petricola
D. petricola, after Cash, 1909

Difflugia petricola Cash, 1909

Diagnosis: Test pyriform, with a short neck (1/6 length), clearly delimited from the fundus. Rough surface. The pseudostome is round. Wider and shorter than D. oblonga.

Dimensions: Length 96-151 µm, shell width 61-99 µm, diameter of the pseudostome 20-36 µm.

Ecology: Freshwater.

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