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Difflugia sphincta
D. sphincta, after Gauthier-Lièvre et Thomas, 1958 and Jung, 1942 (most right)

Difflugia sphincta Jung, 1942

Diagnosis: Test densely covered with mineral particles and with clear neck. Between body and neck, there is a ring of thicker particles.

Dimensions: Length 175 µm; width 145 µm; pseudostome 50 µm (n=1)

Ecology: Freshwater. South-America.

Remarks: According to Gauthier-Lièvre et Thomas, 1958, this species is quite close to D. lobostoma var. multilobata; it can be distinguished easily by the presence of the high and lobed collar.

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