Specimen with wrinkled membrane, about 60 µm long – small pond south of Kootwijk, the Netherlands

 

These photomicrographs were made from specimens in a sample from a small oligotrophic pond south of the settlement of Kootwijk, the Netherlands. It is probably L. granulatus.

Lecythium granulatus
The same specimen as above, but now showing its dorsal folds.
Lecythium granulatus
The same cell.
Lecythium granulatus
Lecythium granulatus
Specimen showing pseudostome and filopodia.
Lecythium granulatus
Lecythium granulatus
Optical cross-section
Lecythium granulatus
Lecythium granulatus 71 µm
Lecythium granulatus
Lecythium granulatus 103 µm
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