Difflugia szczepanskii Schönborn, 1965
Diagnosis: Test oval, compressed, hyaline and covered with isolated quartz (xenosomes) and greenish pseudo-crystals (idiosomes). Pseudostome irregularly circular. The nucleus contains several nucleoli. The pseudopods are lobose.
Dimensions: Length 60-80 µm; width 30-35 µm; thickness 20-27 µm.
Ecology: Freshwater. The species was regularly in the oligotrophic Lake Haricza, Poland, in over 100 m depth.
Reference: Schönborn, W. 1965. Die sedimentbewohnenden Testaceen einiger Masurischer Seen. Acta Protozool., 3:297-309.