Cyclopyxis magna Stepanek, 1967
Diagnosis: Test relatively high, covered with large mineral grains. The edge of the pseudostome is slightly bent to the inside of the test; so the border is covered by regular grains of the same size.
Dimensions: Diameter 180 μm, height 110 μm, pseudostome 70 μm.
Ecology: Lake Vranov, Czech Republic