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Cryptodifflugia vulgaris
Cryptodifflugia vulgaris, after Francé, 1913

Cryptodifflugia vulgaris  (Francé, 1913) Volz, 1928
Difflugiella vulgaris Francé, 1913

Diagnosis: Shell globose or somewhat oval, rather thick-walled, transparent, structureless. One end with very small circular aperture surrounded by thickened wall. Sometimes there occur yellowish and brownish to dark brown specimens.

Dimensions: Shell length 15–18 μm, shell width 10–21 μm, aperture diameter 3.8–4.5 μm.

Ecology and distribution: Soils, common in forest litter, sometimes in rhizosphere, once recorded in Sphagnum. Germany, Bulgaria. Russia.

Reference: Bobrov, A., Mazei, Y., 2017. A review of testate amoeba genus Cryptodifflugia Penard, 1890 (Phryganellina: Cryptodifflugiidae) with a key to species. Zootaxa 4282 (2): 292–308.

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