Cyclopyxis bathystoma Chibisova, 1967

Diagnosis. Shell relatively large, high (considerably larger than the hemisphere, covered with a large number of closely pressed to each other mineral plates of different shapes and sizes. Pseudostome round, with a flat edge. The described form differs from all known species of the genus Cyclopyxis by the presence of a very deep pseudostomal funnel, the walls of which are almost parallel to each other.

Dimensions: According to Chibisova (1967): Shell diameter 150 µm; height 105 µm; diameter of aperture 50 µm; pseudostomal invagination 30 µm.

Ecology. In a freshwater cave.

Geographical distribution: Anukva, Autonomous Republic of Abkazia, Georgia