Plate P7. 1, 2. Bacteriosira bathyomphala (Cleve) Syvertsen and Hasle (Sample 185-1149A-8H-5, 49-51 cm). 3. Cocconeis cf. pseudomarginata Gregory (Sample 185-1149A-6H-1, 112-114 cm). 4. Surirella cf. ovada (Sample 185-1149A-8H-5, 49-51 cm). 5. Delphineis simonsenii (Simonsen and Kanaya) Simonsen (Sample 185-1149-10H-4, 135-141 cm) 6. Delphineis surirella (Sample 185-1149A-1H-5, 141-147 cm). 7. Navicula cf. flanatica Grunow (Sample 185-1149A-3H-4, 117-123 cm). 8. Epithemia species A (Sample 185-1149A-2H-4, 43-45 cm). 9. Unknown species A (Sample 185-1149A-2H-4, 43-45 cm). 10. Diploneis smithii (Sample 185-1149A-6H-3, 87-89 cm). 11. Navicula lyrella Ehrenberg (Sample 185-1149A-3H-2, 133-139 cm). Scale bars = 10 µm.