The image shows the two types of actinomorphic siliceous spines (the shorter type is forked) and the tangential scales. Nucleus is clearly shown together with some colored food vacuoles.
Place name: Bog Dosenmoor near Neumuenster (Schleswig-Holstein, Germany) Latitude: 54.136219 Longitude: 10.026433
Microscope Zeiss Universal, camera Olympus C7070WZ.