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Cyclopyxis arenata
Cyclopyxis arenata after Boltovskoy and Lena, 1966

Cyclopyxis arenata (Cushman, 1930) Boltovskoy, 1956
Basionym: Pseudarcella arenata Cushman, 1930

Diagnosis: Hemispherical shell. Convex dorsal side, ventral somewhat concave in its middle part. Rounded aperture, located in the center of the ventral side. Agglutinated walls, covered with medium-sized sand grains. Color from white to ocher.

Dimensions: Diameter NA.

Ecology: Freshwater. Rio Grande, Ushuaia, Patagonia.

Cyclopyxis arenata
Cyclopyxis arenata after Boltovskoy and Lena, 1971 and 1974
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