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Ditrema
Ditrema spec.with numerous extrusomes very close to each other

Ditrema De Saedeleer, 1934

Diagnosis: Shell hyaline, small, with one side fastened to the substrate; outline circular, irregular. Shell with two opposite apertures, each with a short neck. Pseudopodia granular, fine, extending along the substrate. Nucleus globular with a central nucleolus.

One described species: Ditrema mukrous De Saedeleer, 1934.

Ditrema longicollis
Ditrema longicollis, the same as above
Ditrema mukrous
Ditrema spec.
Ditrema mukrous - Ferry Siemensma
Compared with the specimen in the first photomicrograph there is much more distance between the granules
Ditrema mukrous
Ditrema mukrous
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