Plate P11. Scanning electron microscope images of diatoms (Sample 317-U1352B-27H-6W, 25–26 cm). Scale bars = 10 μm. 1. Fragilariopsis kerguelensis (O’Meara) Hustedt. 2. Fragilariopsis obliquecostata (Van Heurck) Heiden et Kolbe. 3. Thalassiosira sp. d of Fenner et al. (1976). 4. Cocconeis sp. B. 5, 6. Nitzschia panduriformis Gregory. 7, 8. Cocconeis aff. placentula Ehrenberg.
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