Cyclopyxis C. stellata
Cyclopyxis stellata from Wailes, 1927

Cyclopyxis stellata (Wailes, 1927) Deflandre, 1929

Centropyxis stellata Wailes, 1927

Diagnosis: The shell is very large, hemispherical in profile, rounded in plan. The ventral side is concave, in its center there is a five-lobed (less often three- or four-lobed) mouth, the diameter of which is almost a third of the shell diameter.

Dimensions: Diameter of shell  335-400 µm; height of shell 250-290 µm; diameter of aperture 115-155 µm.

Ecology: Freshwater

Remarks:

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