| Synura petersenii (1) |
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| Synura petersenii : scales of the compressed colony (1) |
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| Synura petersenii : Scales of living cells (1) |
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| Synura petersenii : Scales (1) |
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| Synura petersenii : Scales (3) |
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| Synura petersenii : Colony from (4) |
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| Synura petersenii : crop of the above image; C: chloroplasts; Chr: chrysolaminarin vacuole; F1, F2: flagella; N: nucleus; (asterisk: nucleolus); Sc: scales (4) |
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| Synura petersenii: compressed and dried colony from (4) showing the spread scales around the cells. Each cell has two chloroplasts. |
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| Synura petersenii : scales of specimes from sample (4) |
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| Synura cf petersenii: specimen from (5) |
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| Synura cf petersenii: specimen from (5); even in this detail of a colony compressed by coverslide the scales are barely visible (arrowheads). |
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| Synura cf petersenii: specimen from (5); scales. |
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| Location: Heilenbecker Talsperre / NRW (1); NSG Heiliges Meer (3); Hattingen Wodantal, pond (4); IG-Metall-Bildungszentrum, pond (5) |
| Habitat: Plankton (1); (2); (3); (4); plankton (5) |
Date: 21.02.2011 (3); 14.03.2011 (2); 17.04.2011 (3); 09.03.2019 (4); 09.05.2019 (5) |
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