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Cyclopyxis rucistoma
Cyclopyxis pirini – from Golemansky 1974

Cyclopyxis pirini Golemansky 1974

Diagnosis: Ventrally, the test is circular. Laterally, the test is low hemispherical with a more or less sharp edge between the dome and the ventral side. The aperture is at the end of an invagination of the ventral side and is about 1 /2 of the test diameter. Test embedded with mineral grains and diatom frustules.

Dimensions: Diameter 237-325 µm; height 140-160 µm; aperture 137-168 µm.

Ecology: Sphagnum and soil mosses. Lake Popova, Bulgaria.

Remarks: The only species that resembles C. pirini is C.penardi which is larger (diameter 330-380 µm).

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