Cyclopyxis leidyi
Cyclopyxis leidyi
C. leidyi, 124 µm, shell (stacked image) and aperture (r.)

Cyclopyxis leidyi (Coûteaux & Chardez, 1981)

Diagnosis: Shell hemispherical, ventral surface slightly recessed. Pseudostome funnel shaped, bordered with three broadly rounded lobes, which are are bending downwards and which are bordered by a smooth chitinoid rim.

Dimensions: According to Coûteaux & Chardez (1981): Shell diameter 87—102 µm; height 45—50 µm; aperture 20—22 µm wide. My measurements: 111—125 µm (n=8).

Ecology: Tropical soil, mosses.

Geographical distribution: French Guiana, South-America, and Indonesia. All tests on this page were present in a sample from Indonesia (source: Valentyna Krashevska).

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C. leidyi, (r. stacked image)
Cyclopyxis leidyi
Cyclopyxis leidyi
C. leidyi, (r. stacked image)
Cyclopyxis leidyi
Cyclopyxis leidyi
C. leidyi, lobes (l. arrowed)
Cyclopyxis leidyi
Cyclopyxis leidyi
C. leidyi, with lobes (r. arrowed)
Cyclopyxis leidyi
Cyclopyxis leidyi
C. leidyi, tests with lobes visible.
Cyclopyxis leidyi
C. leidyi, test with normal pseudostomal funnel.
Cyclopyxis leidyi
Cyclopyxis leidyi, – from Coûteaux & Chardez, 1981
Ferry Siemensma, created March 2, 2019; last modified January 13, 2025
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