Plate P8. 1, 2. Thalassiosira sp. D Akiba, 1985 (Sample 191-1179B-5H-3, 75–77 cm). 3, 4. Thalassiosira sp. C Akiba 1985 (Samples 191-1179C-5H-5, 75–77 cm [3], and 191-1179C-7H-2, 75–77 cm [4]). 5, 6. Thalassiosira sp. 10 (Sample 191-1179C-18H-3, 75–77 cm). 7. Triceratium sp. 1 (Sample 191-1179C-11H-6, 75–77 cm). 8. Bacteriastrum hyalinum Lauder (Sample 191-1179C-6H-4, 75–77 cm). Scale bars = 10 Ám.