Cyclopyxis magna Stepanek, 1967

Diagnosis: Shell 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: According to Stepanek (1967): Shell diameter 180 μm; height 110 μm; pseudostome 70 μm.

Ecology: Freshwater.

Geographical distribution: Lake Vranov, Czech Republic.