Cyclopyxis eurystoma
Cyclopyxis triquestrus from Stepanek, 1967

Cyclopyxis triquestrus (Stepanek, 1967)
Cyclopyxis penardi var. triquestrus Stepanek, 1967

Diagnosis: The shape of the test is the same as with the typical species. It differs by the irregular aperture which is in the same plane as the ventral side. The edge of the pseudostome is slightly bend inwardly. Color brown, test covered with relatively thin quarz particles.

Dimensions: Diameter 56 µm, height 35 µm, aperture 12 µm.

Ecology: Freshwater, Europe

Reference: Stepanek, 1967. Testacea des Benthos der Talsperre Vranov am Thayofluss. Hydrobiologia, 29, p. 31.

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