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									  | Aulacoseira granulata  detail; cylindric cells; focus plane on the pores of the cell wall. The arrow point to the dentated sheaths at the connections between the cells. | 
								   
									
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										| Location: water reservoir Heilenbecker Talspere, NRW, Germany | 
									 
									
										| Habitat : plankton | 
									 
									
										| Date: 14.03.2011 | 
									 
									
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