Schoenbornia-humicola
Schoenbornia humicola – after Schönborn et al., 1987

Schoenbornia humicola (Schönborn, 1964)

Diagnosis: Test small, not compressed, hyaline, with Nebela-like irregular siliceous plates and sometimes with quartz particles. Pseudostome circular and without lip or collar. Protoplasm with Euglypha-like layers. Nucleus large, with central nucleolus. Pseudopodia reticulobose.

Dimensions: Length 27-30 µm; width 18 µm, pseudostome 7.5 µm.

Ecology: Numerous in soil of birch forests. Europe.

Remarks: The origin of the plates is not known, though Schönborn assumed that they are idiosomes.

Schoenbornia-humicola
Schoenbornia humicola – after Schönborn, 1964
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