Difflugia microstoma
Difflugia microstoma, after Thomas, 1954

Difflugia microstoma  (Thomas, 1954) Ogden, 1983

Diagnosis: Test ovoid or hemispherical, built from small and medium flattened mineral grains and cusps of diatoms. Xenosomes are laid in such a way that a smooth surface is formed. Pseudostome round, surrounded by a small collar of mineral grains.

Dimensions: Length 76-105 microns, width 63-83 microns, apertural diameter 18-29 microns.

Ecology: Freshwater.

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