Cyclopyxis grospietschi Schönborn, 1962

Diagnosis: The shell is relatively large, hemispherical in profile, hyaline with rarely located but rather large xenosomes. The mouth is four-bladed and surrounded by small, tightly packed grains of sand, weakly concave.

Dimensions: According to Schönborn (1962): Shell diameter 123—125 µm;, height 80 µm; apertural diameter 28—30 µm.

Ecology: Freshwater.

Geographical distribution: Lake Dagow, Germany.