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Cymbella affinis



caption This pennate diatom usually occurs in the benthos as epilithic on stones of Lake Kinneret, infrequently it is found in the plankton. Valves are asymmetrical to the apical axis and symmetrical to the transapical axis. Their dorsal margin is convex, the ventral margin is straight or nearly straight, 20 – 50 μm long, 7-10 μm wide, apices are bluntly rounded. Single H-shaped chloroplast with a central large pyrenoid towards the dorsal margin. Littoral, epilithic or epiphytic, in standing or flowing freshwaters.
author aalster and tzohary
copyright Creative Commons Attribution 3.0
observation details click here
image sets   Lake Kinneret planktonic life forms