Cryptodifflugia compressa glabra   (Schönborn, 1965) Bobrov & Mazei, 2017
Difflugiella crenulata glabra Schönborn, 1965

Diagnosis: Shell differs from the typical form by the absence of excavations on the shell.

Dimensions: Shell length 15 μm, shell width 11–14 μm, aperture diameter 4 μm.

Ecology and distribution. Freshwater, recorded on Typha. Germany, Poland.

References: Bobrov, A., Mazei, Y., 2017. A review of testate amoeba genus Cryptodifflugia Penard, 1890 (Phryganellina: Cryptodifflugiidae) with a key to species. Zootaxa 4282 (2): 292–308.