portrait

Description:

Cosmarium turpinii BREB. var. eximium WEST & G. S. WEST  The cells are only a little longer than wide and sexangular in shape. The cell halves are strongly tapered towards the flat, weakly emarginated cell ends. The central cut ist closed and right-anglularly opened at the outside end. The cell wall wears rows of warts. In the center of each cell half there is a clearly visible hemispheric bump. Dimension: Length: 60 – 70 µm, width: 50 – 60 µm Ecology: Sometimes in plancton of lakes and ponds.  Occurrence: Ubiquitous in temperate zones.