Living diatoms indentification by chloroplast form 1 chloroplast

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Presentation transcript:

Living diatoms indentification by chloroplast form 1 chloroplast H-shaped With one lobe Examples: Sellaphora Luticola Caloneis Examples: Encyonema Cymbella With several lobes In entire cell Examples: Epithemia Rhopalodia Examples: Achnanthidium Surirella

Living diatoms indentification by chloroplast form 2 chloroplasts 2 ’sausages’ in valves view 2 plates in valve view Examples: Nitzschia Achnanthes Examples: Navicula Craticula Pinnularia Gyrosigma Stauroneis

Living diatoms indentification by chloroplast form 4 or more chloroplasts Neidium Examples: Meridion Centric diatoms