Cyclopyxis crucistoma Bartos, 1963
Diagnosis: The shell is relatively large, round in dorsal view, hemispherical in side view. On the ventral side , the marginal part is covered with large xenosomes, and the central area, around the aperture, is covered with more small particles. The cruciform aperture is located at the end of a vagination that is as deep as half the test height.
Dimensions: The diameter of the shell is 122–124 µm.
Ecology: Mosses, Java, Indonesia.