Difflugia limnetica (Levander, 1900) Penard, 1902

Diagnosis: Shell ovoid, yellow or brown, covered with mineral grains, which are rarely located on the surface of the shell. The pseudostome of a three-blade irregular shape, surrounded by a small collar. Sometimes the edge is simply wavy, sometimes there are 4-5 blades. Cytoplasm without zoochlorellae.

Dimensions: Penard (1902): Shell length 70-100 µm, width 50-85 µm, diameter pseudostome 25-51 µm.

Habitat: Freshwater. Sphagnum.